102000120011020 has 48 divisors (see below), whose sum is σ = 267054859669248. Its totient is φ = 31792245197760.

The previous prime is 102000120011011. The next prime is 102000120011123. The reversal of 102000120011020 is 20110021000201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 102000120010988 and 102000120011006.

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, 33116920542 + ... + 33116923621.

It is an arithmetic number, because the mean of its divisors is an integer number (5563642909776).

Almost surely, 2^{102000120011020} is an apocalyptic number.

102000120011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102000120011020 is an abundant number, since it is smaller than the sum of its proper divisors (165054739658228).

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

102000120011020 is a wasteful number, since it uses less digits than its factorization.

102000120011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66233844190 (or 66233844188 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102000120011020 its reverse (20110021000201), we get a palindrome (122110141011221).

The spelling of 102000120011020 in words is "one hundred two trillion, one hundred twenty million, eleven thousand, twenty".