101001120200020 has 48 divisors (see below), whose sum is σ = 223549326826560. Its totient is φ = 38225475673344.

The previous prime is 101001120200009. The next prime is 101001120200047. The reversal of 101001120200020 is 20002021100101.

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

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, 168565249 + ... + 169163368.

It is an arithmetic number, because the mean of its divisors is an integer number (4657277642220).

Almost surely, 2^{101001120200020} is an apocalyptic number.

101001120200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101001120200020 is an abundant number, since it is smaller than the sum of its proper divisors (122548206626540).

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

101001120200020 is a wasteful number, since it uses less digits than its factorization.

101001120200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337729432 (or 337729430 counting only the distinct ones).

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

Adding to 101001120200020 its reverse (20002021100101), we get a palindrome (121003141300121).

The spelling of 101001120200020 in words is "one hundred one trillion, one billion, one hundred twenty million, two hundred thousand, twenty".