101002103131020 has 96 divisors (see below), whose sum is σ = 348068786193408. Its totient is φ = 21310333846272.

The previous prime is 101002103130997. The next prime is 101002103131037. The reversal of 101002103131020 is 20131301200101.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9249271384 + ... + 9249282303.

It is an arithmetic number, because the mean of its divisors is an integer number (3625716522848).

Almost surely, 2^{101002103131020} is an apocalyptic number.

101002103131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101002103131020 is an abundant number, since it is smaller than the sum of its proper divisors (247066683062388).

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

101002103131020 is a wasteful number, since it uses less digits than its factorization.

101002103131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18498553719 (or 18498553717 counting only the distinct ones).

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

Adding to 101002103131020 its reverse (20131301200101), we get a palindrome (121133404331121).

The spelling of 101002103131020 in words is "one hundred one trillion, two billion, one hundred three million, one hundred thirty-one thousand, twenty".