10010112021 has 48 divisors (see below), whose sum is σ = 17807776896. Its totient is φ = 5276492928.

The previous prime is 10010112001. The next prime is 10010112031. The reversal of 10010112021 is 12021101001.

It is a happy number.

It is not a de Polignac number, because 10010112021 - 2⁹ = 10010111509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10010111994 and 10010112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010112001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1579966 + ... + 1586288.

It is an arithmetic number, because the mean of its divisors is an integer number (370995352).

Almost surely, 2^10010112021 is an apocalyptic number.

It is an amenable number.

10010112021 is a deficient number, since it is larger than the sum of its proper divisors (7797664875).

10010112021 is a wasteful number, since it uses less digits than its factorization.

10010112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282 (or 8279 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10010112021 its reverse (12021101001), we get a palindrome (22031213022).

The spelling of 10010112021 in words is "ten billion, ten million, one hundred twelve thousand, twenty-one".