2021000120986 has 64 divisors (see below), whose sum is σ = 4039259249664. Its totient is φ = 734158713600.

The previous prime is 2021000120941. The next prime is 2021000120987. The reversal of 2021000120986 is 6890210001202.

It is a super-2 number, since 2×2021000120986² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021000120987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3327180 + ... + 3887431.

It is an arithmetic number, because the mean of its divisors is an integer number (63113425776).

Almost surely, 2^{2021000120986} is an apocalyptic number.

2021000120986 is a deficient number, since it is larger than the sum of its proper divisors (2018259128678).

2021000120986 is a wasteful number, since it uses less digits than its factorization.

2021000120986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214755.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 2021000120986 in words is "two trillion, twenty-one billion, one hundred twenty thousand, nine hundred eighty-six".