10021022011231 has 64 divisors (see below), whose sum is σ = 12951278714880. Its totient is φ = 7527449180160.

The previous prime is 10021022011219. The next prime is 10021022011249. The reversal of 10021022011231 is 13211022012001.

It is not a de Polignac number, because 10021022011231 - 2⁷ = 10021022011103 is a prime.

It is a super-2 number, since 2×10021022011231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021022011291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 828382975 + ... + 828395071.

It is an arithmetic number, because the mean of its divisors is an integer number (202363729920).

Almost surely, 2^{10021022011231} is an apocalyptic number.

10021022011231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10021022011231 is a deficient number, since it is larger than the sum of its proper divisors (2930256703649).

10021022011231 is a wasteful number, since it uses less digits than its factorization.

10021022011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15404.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10021022011231 its reverse (13211022012001), we get a palindrome (23232044023232).

The spelling of 10021022011231 in words is "ten trillion, twenty-one billion, twenty-two million, eleven thousand, two hundred thirty-one".