12031120222101 has 14 divisors (see below), whose sum is σ = 18038428537110. Its totient is φ = 8020746814248.

The previous prime is 12031120222031. The next prime is 12031120222103. The reversal of 12031120222101 is 10122202113021.

12031120222101 is a `hidden beast` number, since 12 + 0 + 311 + 20 + 222 + 101 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11342925541476 + 688194680625 = 3367926^2 + 829575^2 .

It is not a de Polignac number, because 12031120222101 - 2³⁵ = 11996760483733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031120222103) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8251796406 + ... + 8251797863.

Almost surely, 2^{12031120222101} is an apocalyptic number.

It is an amenable number.

12031120222101 is a deficient number, since it is larger than the sum of its proper divisors (6007308315009).

12031120222101 is an frugal number, since it uses more digits than its factorization.

12031120222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16503594287 (or 16503594272 counting only the distinct ones).

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

Adding to 12031120222101 its reverse (10122202113021), we get a palindrome (22153322335122).

The spelling of 12031120222101 in words is "twelve trillion, thirty-one billion, one hundred twenty million, two hundred twenty-two thousand, one hundred one".