2021111010131 has 8 divisors (see below), whose sum is σ = 2070425682528. Its totient is φ = 1971797256000.

The previous prime is 2021111010109. The next prime is 2021111010137. The reversal of 2021111010131 is 1310101111202.

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

It is not a de Polignac number, because 2021111010131 - 2¹⁰ = 2021111009107 is a prime.

It is a super-2 number, since 2×2021111010131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021111010137) 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, 6878201 + ... + 7166021.

It is an arithmetic number, because the mean of its divisors is an integer number (258803210316).

Almost surely, 2^{2021111010131} is an apocalyptic number.

2021111010131 is a deficient number, since it is larger than the sum of its proper divisors (49314672397).

2021111010131 is a wasteful number, since it uses less digits than its factorization.

2021111010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459133.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 2021111010131 its reverse (1310101111202), we get a palindrome (3331212121333).

The spelling of 2021111010131 in words is "two trillion, twenty-one billion, one hundred eleven million, ten thousand, one hundred thirty-one".