10110010021 has 4 divisors (see below), whose sum is σ = 10110335200. Its totient is φ = 10109684844.

The previous prime is 10110009989. The next prime is 10110010039. The reversal of 10110010021 is 12001001101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10110010021 - 2⁵ = 10110009989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110009986 and 10110010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110010061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110361 + ... + 179998.

It is an arithmetic number, because the mean of its divisors is an integer number (2527583800).

Almost surely, 2^10110010021 is an apocalyptic number.

It is an amenable number.

10110010021 is a deficient number, since it is larger than the sum of its proper divisors (325179).

10110010021 is an equidigital number, since it uses as much as digits as its factorization.

10110010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325178.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10110010021 its reverse (12001001101), we get a palindrome (22111011122).

The spelling of 10110010021 in words is "ten billion, one hundred ten million, ten thousand, twenty-one".