10112112021 has 32 divisors (see below), whose sum is σ = 14986166400. Its totient is φ = 6013952000.

The previous prime is 10112112013. The next prime is 10112112029. The reversal of 10112112021 is 12021121101.

It is an interprime number because it is at equal distance from previous prime (10112112013) and next prime (10112112029).

It is a cyclic number.

It is not a de Polignac number, because 10112112021 - 2³ = 10112112013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10112111988 and 10112112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112112029) 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, 363205 + ... + 390053.

It is an arithmetic number, because the mean of its divisors is an integer number (468317700).

Almost surely, 2^10112112021 is an apocalyptic number.

10112112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10112112021 is a deficient number, since it is larger than the sum of its proper divisors (4874054379).

10112112021 is a wasteful number, since it uses less digits than its factorization.

10112112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27077.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10112112021 its reverse (12021121101), we get a palindrome (22133233122).

The spelling of 10112112021 in words is "ten billion, one hundred twelve million, one hundred twelve thousand, twenty-one".