102021011230 has 16 divisors (see below), whose sum is σ = 185850325584. Its totient is φ = 40316736640.

The previous prime is 102021011219. The next prime is 102021011249. The reversal of 102021011230 is 32110120201.

It is a super-2 number, since 2×102021011230² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102021011230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61457611 + ... + 61459270.

It is an arithmetic number, because the mean of its divisors is an integer number (11615645349).

Almost surely, 2^102021011230 is an apocalyptic number.

102021011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021011230 is a deficient number, since it is larger than the sum of its proper divisors (83829314354).

102021011230 is a wasteful number, since it uses less digits than its factorization.

102021011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122916971.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102021011230 its reverse (32110120201), we get a palindrome (134131131431).

The spelling of 102021011230 in words is "one hundred two billion, twenty-one million, eleven thousand, two hundred thirty".