101121011012020 has 24 divisors (see below), whose sum is σ = 213421229280000. Its totient is φ = 40245146089632.

The previous prime is 101121011012009. The next prime is 101121011012039. The reversal of 101121011012020 is 20210110121101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12703640620 + ... + 12703648579.

It is an arithmetic number, because the mean of its divisors is an integer number (8892551220000).

Almost surely, 2^{101121011012020} is an apocalyptic number.

101121011012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121011012020 is an abundant number, since it is smaller than the sum of its proper divisors (112300218267980).

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

101121011012020 is a wasteful number, since it uses less digits than its factorization.

101121011012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25407289407 (or 25407289405 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101121011012020 its reverse (20210110121101), we get a palindrome (121331121133121).

The spelling of 101121011012020 in words is "one hundred one trillion, one hundred twenty-one billion, eleven million, twelve thousand, twenty".