10311220122021 has 96 divisors (see below), whose sum is σ = 18686057225472. Its totient is φ = 5333656273920.

The previous prime is 10311220122011. The next prime is 10311220122101. The reversal of 10311220122021 is 12022102211301.

10311220122021 is a `hidden beast` number, since 10 + 311 + 220 + 122 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 10311220122021 - 2⁶ = 10311220121957 is a prime.

It is a super-2 number, since 2×10311220122021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10311220121985 and 10311220122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311220122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90359761 + ... + 90473801.

It is an arithmetic number, because the mean of its divisors is an integer number (194646429432).

Almost surely, 2^{10311220122021} is an apocalyptic number.

It is an amenable number.

10311220122021 is a deficient number, since it is larger than the sum of its proper divisors (8374837103451).

10311220122021 is a wasteful number, since it uses less digits than its factorization.

10311220122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116203 (or 116200 counting only the distinct ones).

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

Adding to 10311220122021 its reverse (12022102211301), we get a palindrome (22333322333322).

The spelling of 10311220122021 in words is "ten trillion, three hundred eleven billion, two hundred twenty million, one hundred twenty-two thousand, twenty-one".