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101022212101 = 1131013882529
BaseRepresentation
bin101111000010101100…
…1001010000000000101
3100122202102010002122011
41132011121022000011
53123343141241401
6114224200334221
710204265430466
oct1360531120005
9318672102564
10101022212101
1139930450198
12176b4174371
1396ac525b85
144c64b10d6d
152963d57451
hex178564a005

101022212101 has 8 divisors (see below), whose sum is σ = 102016937880. Its totient is φ = 100029253632.

The previous prime is 101022212063. The next prime is 101022212111. The reversal of 101022212101 is 101212220101.

It can be written as a sum of positive squares in 4 ways, for example, as 3337835076 + 97684377025 = 57774^2 + 312545^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 101022212101 - 211 = 101022210053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022212111) 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, 326796 + ... + 555733.

It is an arithmetic number, because the mean of its divisors is an integer number (12752117235).

Almost surely, 2101022212101 is an apocalyptic number.

It is an amenable number.

101022212101 is a deficient number, since it is larger than the sum of its proper divisors (994725779).

101022212101 is a wasteful number, since it uses less digits than its factorization.

101022212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883655.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101022212101 its reverse (101212220101), we get a palindrome (202234432202).

The spelling of 101022212101 in words is "one hundred one billion, twenty-two million, two hundred twelve thousand, one hundred one".

Divisors: 1 113 1013 114469 882529 99725777 894001877 101022212101