102021130020000 has 120 divisors (see below), whose sum is σ = 334649710888416. Its totient is φ = 27205634656000.

The previous prime is 102021130019987. The next prime is 102021130020049. The reversal of 102021130020000 is 20031120201.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 850116084 + ... + 850236083.

Almost surely, 2^{102021130020000} is an apocalyptic number.

102021130020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102021130020000 is an abundant number, since it is smaller than the sum of its proper divisors (232628580868416).

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

102021130020000 is an equidigital number, since it uses as much as digits as its factorization.

102021130020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700352200 (or 1700352177 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102021130020000 its reverse (20031120201), we get a palindrome (102041161140201).

The spelling of 102021130020000 in words is "one hundred two trillion, twenty-one billion, one hundred thirty million, twenty thousand".