10311122012121 has 24 divisors (see below), whose sum is σ = 17236997223680. Its totient is φ = 5817486557376.

The previous prime is 10311122012119. The next prime is 10311122012143. The reversal of 10311122012121 is 12121022111301.

It is a happy number.

10311122012121 is a `hidden beast` number, since 1 + 0 + 311 + 1 + 220 + 12 + 121 = 666.

It is not a de Polignac number, because 10311122012121 - 2¹ = 10311122012119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311122012094 and 10311122012103.

It is not an unprimeable number, because it can be changed into a prime (10311122012171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1035872260 + ... + 1035882213.

Almost surely, 2^{10311122012121} is an apocalyptic number.

It is an amenable number.

10311122012121 is a deficient number, since it is larger than the sum of its proper divisors (6925875211559).

10311122012121 is a wasteful number, since it uses less digits than its factorization.

10311122012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071754565 (or 2071754562 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 10311122012121 its reverse (12121022111301), we get a palindrome (22432144123422).

The spelling of 10311122012121 in words is "ten trillion, three hundred eleven billion, one hundred twenty-two million, twelve thousand, one hundred twenty-one".