10021122431 has 4 divisors (see below), whose sum is σ = 10021718112. Its totient is φ = 10020526752.

The previous prime is 10021122421. The next prime is 10021122451. The reversal of 10021122431 is 13422112001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10021122431 - 2¹⁸ = 10020860287 is a prime.

It is a super-2 number, since 2×10021122431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021122421) 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 3 ways as a sum of consecutive naturals, for example, 271850 + ... + 306503.

It is an arithmetic number, because the mean of its divisors is an integer number (2505429528).

Almost surely, 2^10021122431 is an apocalyptic number.

10021122431 is a deficient number, since it is larger than the sum of its proper divisors (595681).

10021122431 is an equidigital number, since it uses as much as digits as its factorization.

10021122431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595680.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10021122431 its reverse (13422112001), we get a palindrome (23443234432).

The spelling of 10021122431 in words is "ten billion, twenty-one million, one hundred twenty-two thousand, four hundred thirty-one".