Search a number
-
+
102211100102021 = 894349926401511
BaseRepresentation
bin10111001111010111100000…
…010100000100110110000101
3111101220021201022020200010212
4113033113200110010312011
5101344111313111231041
61001215044155325205
730346336225665641
oct2717274024046605
9441807638220125
10102211100102021
112a627536408099
12b569242750805
1345056085a1b91
141b35087a6dc21
15bc3b2a4858eb
hex5cf5e0504d85

102211100102021 has 8 divisors (see below), whose sum is σ = 103361919480000. Its totient is φ = 101060333614240.

The previous prime is 102211100101991. The next prime is 102211100102039. The reversal of 102211100102021 is 120201001112201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102211100102021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102211100101987 and 102211100102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211100132021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9329345 + ... + 17072166.

It is an arithmetic number, because the mean of its divisors is an integer number (12920239935000).

Almost surely, 2102211100102021 is an apocalyptic number.

It is an amenable number.

102211100102021 is a deficient number, since it is larger than the sum of its proper divisors (1150819377979).

102211100102021 is an equidigital number, since it uses as much as digits as its factorization.

102211100102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26445099.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102211100102021 its reverse (120201001112201), we get a palindrome (222412101214222).

The spelling of 102211100102021 in words is "one hundred two trillion, two hundred eleven billion, one hundred million, one hundred two thousand, twenty-one".

Divisors: 1 89 43499 3871411 26401511 2349734479 1148439326989 102211100102021