102021011111010 has 32 divisors (see below), whose sum is σ = 245142262753920. Its totient is φ = 27173176731008.

The previous prime is 102021011110987. The next prime is 102021011111111. The reversal of 102021011111010 is 10111110120201.

It is a super-2 number, since 2×102021011111010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2026613907 + ... + 2026664246.

It is an arithmetic number, because the mean of its divisors is an integer number (7660695711060).

Almost surely, 2^{102021011111010} is an apocalyptic number.

102021011111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021011111010 is an abundant number, since it is smaller than the sum of its proper divisors (143121251642910).

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

102021011111010 is a wasteful number, since it uses less digits than its factorization.

102021011111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053279002.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 102021011111010 its reverse (10111110120201), we get a palindrome (112132121231211).

The spelling of 102021011111010 in words is "one hundred two trillion, twenty-one billion, eleven million, one hundred eleven thousand, ten".