31102122202101 has 12 divisors (see below), whose sum is σ = 44930792606700. Its totient is φ = 20732207374080.

The previous prime is 31102122202097. The next prime is 31102122202183. The reversal of 31102122202101 is 10120222120113.

31102122202101 is a `hidden beast` number, since 311 + 0 + 2 + 122 + 20 + 210 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20292006762225 + 10810115439876 = 4504665^2 + 3287874^2 .

It is not a de Polignac number, because 31102122202101 - 2² = 31102122202097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102122202201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211652526 + ... + 211799423.

It is an arithmetic number, because the mean of its divisors is an integer number (3744232717225).

Almost surely, 2^{31102122202101} is an apocalyptic number.

It is an amenable number.

31102122202101 is a deficient number, since it is larger than the sum of its proper divisors (13828670404599).

31102122202101 is a wasteful number, since it uses less digits than its factorization.

31102122202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423460116 (or 423460113 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 31102122202101 its reverse (10120222120113), we get a palindrome (41222344322214).

The spelling of 31102122202101 in words is "thirty-one trillion, one hundred two billion, one hundred twenty-two million, two hundred two thousand, one hundred one".