10021021023 has 16 divisors (see below), whose sum is σ = 14410450656. Its totient is φ = 6157656960.

The previous prime is 10021021007. The next prime is 10021021039. The reversal of 10021021023 is 32012012001.

It is an interprime number because it is at equal distance from previous prime (10021021007) and next prime (10021021039).

It is not a de Polignac number, because 10021021023 - 2⁴ = 10021021007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021021123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163368 + ... + 216173.

It is an arithmetic number, because the mean of its divisors is an integer number (900653166).

Almost surely, 2^10021021023 is an apocalyptic number.

10021021023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10021021023 is a deficient number, since it is larger than the sum of its proper divisors (4389429633).

10021021023 is a wasteful number, since it uses less digits than its factorization.

10021021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380234.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10021021023 its reverse (32012012001), we get a palindrome (42033033024).

The spelling of 10021021023 in words is "ten billion, twenty-one million, twenty-one thousand, twenty-three".