10122112021 has 32 divisors (see below), whose sum is σ = 12392206848. Its totient is φ = 8078991360.

The previous prime is 10122111991. The next prime is 10122112109. The reversal of 10122112021 is 12021122101.

It is a cyclic number.

It is not a de Polignac number, because 10122112021 - 2¹³ = 10122103829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10122111992 and 10122112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122142021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3675381 + ... + 3678133.

It is an arithmetic number, because the mean of its divisors is an integer number (387256464).

Almost surely, 2^10122112021 is an apocalyptic number.

It is an amenable number.

10122112021 is a deficient number, since it is larger than the sum of its proper divisors (2270094827).

10122112021 is a wasteful number, since it uses less digits than its factorization.

10122112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10122112021 its reverse (12021122101), we get a palindrome (22143234122).

The spelling of 10122112021 in words is "ten billion, one hundred twenty-two million, one hundred twelve thousand, twenty-one".