10112120020021 has 16 divisors (see below), whose sum is σ = 11275739213760. Its totient is φ = 9012167550720.

The previous prime is 10112120019973. The next prime is 10112120020087. The reversal of 10112120020021 is 12002002121101.

It is a cyclic number.

It is not a de Polignac number, because 10112120020021 - 2⁷ = 10112120019893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10112120019983 and 10112120020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112120020621) 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, 6619731 + ... + 8002816.

It is an arithmetic number, because the mean of its divisors is an integer number (704733700860).

Almost surely, 2^{10112120020021} is an apocalyptic number.

It is an amenable number.

10112120020021 is a deficient number, since it is larger than the sum of its proper divisors (1163619193739).

10112120020021 is a wasteful number, since it uses less digits than its factorization.

10112120020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14624724.

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

Adding to 10112120020021 its reverse (12002002121101), we get a palindrome (22114122141122).

The spelling of 10112120020021 in words is "ten trillion, one hundred twelve billion, one hundred twenty million, twenty thousand, twenty-one".