102021113310 has 32 divisors (see below), whose sum is σ = 245648253312. Its totient is φ = 27117010080.

The previous prime is 102021113309. The next prime is 102021113347. The reversal of 102021113310 is 13311120201.

It is a happy number.

It is a super-2 number, since 2×102021113310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102021113310.

It is a congruent number.

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, 5529396 + ... + 5547815.

It is an arithmetic number, because the mean of its divisors is an integer number (7676507916).

Almost surely, 2^102021113310 is an apocalyptic number.

102021113310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021113310 is an abundant number, since it is smaller than the sum of its proper divisors (143627140002).

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

102021113310 is a wasteful number, since it uses less digits than its factorization.

102021113310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11077528.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102021113310 its reverse (13311120201), we get a palindrome (115332233511).

The spelling of 102021113310 in words is "one hundred two billion, twenty-one million, one hundred thirteen thousand, three hundred ten".