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102122221201 = 71113731012137
BaseRepresentation
bin101111100011011110…
…1010110111010010001
3100202121001222100102221
41133012331112322101
53133121242034301
6114525253341041
710243453362220
oct1370675267221
9322531870387
10102122221201
113a345371320
1217960637781
1398263aaa30
144d2ac52cb7
1529ca6e0da1
hex17c6f56e91

102122221201 has 96 divisors (see below), whose sum is σ = 141407933184. Its totient is φ = 71207424000.

The previous prime is 102122221171. The next prime is 102122221213.

It is a happy number.

102122221201 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 102122221201 - 217 = 102122090129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102122221241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 745417605 + ... + 745417741.

It is an arithmetic number, because the mean of its divisors is an integer number (1472999304).

Almost surely, 2102122221201 is an apocalyptic number.

102122221201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102122221201 is a deficient number, since it is larger than the sum of its proper divisors (39285711983).

102122221201 is a wasteful number, since it uses less digits than its factorization.

102122221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 102122 and 221201, that added together give a palindrome (323323).

The spelling of 102122221201 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 7 11 13 73 77 91 101 137 143 511 707 803 949 959 1001 1111 1313 1507 1781 5621 6643 7373 7777 9191 10001 10201 10439 10549 12467 13837 14443 19591 51611 70007 71407 73073 81103 95849 96859 101101 110011 112211 130013 132613 137137 152207 179881 567721 670943 744673 770077 785477 910091 928291 1010101 1054339 1065449 1259167 1397537 1430143 1458743 1978691 5212711 7070707 7380373 8191403 9680749 9782759 10011001 10211201 11111111 13131313 13850837 15372907 18167981 57339821 67765243 77777777 91919191 102020201 106488239 107610349 127175867 144444443 199847791 714141407 745417673 1011111101 1122222211 1326262613 1398934537 7855555477 9283838291 14588888743 102122221201