10021321129986 has 24 divisors (see below), whose sum is σ = 21842879595264. Its totient is φ = 3320437738680.

The previous prime is 10021321129969. The next prime is 10021321129991. The reversal of 10021321129986 is 68992112312001.

10021321129986 is a `hidden beast` number, since 10 + 0 + 21 + 321 + 1 + 299 + 8 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1666883410 + ... + 1666889421.

It is an arithmetic number, because the mean of its divisors is an integer number (910119983136).

Almost surely, 2^{10021321129986} is an apocalyptic number.

10021321129986 is an abundant number, since it is smaller than the sum of its proper divisors (11821558465278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021321129986 is a wasteful number, since it uses less digits than its factorization.

10021321129986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333773006 (or 3333773003 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 10021321129986 in words is "ten trillion, twenty-one billion, three hundred twenty-one million, one hundred twenty-nine thousand, nine hundred eighty-six".