10012112021 has 8 divisors (see below), whose sum is σ = 10054376640. Its totient is φ = 9969879712.

The previous prime is 10012112017. The next prime is 10012112023. The reversal of 10012112021 is 12021121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10012112021 - 2² = 10012112017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012111993 and 10012112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012112023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766481 + ... + 779433.

It is an arithmetic number, because the mean of its divisors is an integer number (1256797080).

Almost surely, 2^10012112021 is an apocalyptic number.

It is an amenable number.

10012112021 is a deficient number, since it is larger than the sum of its proper divisors (42264619).

10012112021 is a wasteful number, since it uses less digits than its factorization.

10012112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10012112021 its reverse (12021121001), we get a palindrome (22033233022).

The spelling of 10012112021 in words is "ten billion, twelve million, one hundred twelve thousand, twenty-one".