120101122021020 has 96 divisors (see below), whose sum is σ = 384329659703808. Its totient is φ = 27451251516672.

The previous prime is 120101122020959. The next prime is 120101122021063. The reversal of 120101122021020 is 20120221101021.

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

It is a congruent number.

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, 24753759 + ... + 29205321.

It is an arithmetic number, because the mean of its divisors is an integer number (4003433955248).

Almost surely, 2^{120101122021020} is an apocalyptic number.

120101122021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101122021020 is an abundant number, since it is smaller than the sum of its proper divisors (264228537682788).

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

120101122021020 is a wasteful number, since it uses less digits than its factorization.

120101122021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515819 (or 4515817 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120101122021020 its reverse (20120221101021), we get a palindrome (140221343122041).

The spelling of 120101122021020 in words is "one hundred twenty trillion, one hundred one billion, one hundred twenty-two million, twenty-one thousand, twenty".