13031200022121 has 48 divisors (see below), whose sum is σ = 19391205637440. Its totient is φ = 8427621888000.

The previous prime is 13031200022089. The next prime is 13031200022177. The reversal of 13031200022121 is 12122000213031.

13031200022121 is a `hidden beast` number, since 1 + 303 + 120 + 0 + 0 + 221 + 21 = 666.

It is not a de Polignac number, because 13031200022121 - 2⁵ = 13031200022089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13031200022094 and 13031200022103.

It is not an unprimeable number, because it can be changed into a prime (13031200022221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84867465 + ... + 85020873.

It is an arithmetic number, because the mean of its divisors is an integer number (403983450780).

Almost surely, 2^{13031200022121} is an apocalyptic number.

It is an amenable number.

13031200022121 is a deficient number, since it is larger than the sum of its proper divisors (6360005615319).

13031200022121 is a wasteful number, since it uses less digits than its factorization.

13031200022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154758 (or 154755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13031200022121 its reverse (12122000213031), we get a palindrome (25153200235152).

The spelling of 13031200022121 in words is "thirteen trillion, thirty-one billion, two hundred million, twenty-two thousand, one hundred twenty-one".