120001122021020 has 48 divisors (see below), whose sum is σ = 252311546634336. Its totient is φ = 47941574880000.

The previous prime is 120001122020963. The next prime is 120001122021031. The reversal of 120001122021020 is 20120221100021.

It is a junction number, because it is equal to n+sod(n) for n = 120001122020986 and 120001122021004.

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, 98455730 + ... + 99667110.

It is an arithmetic number, because the mean of its divisors is an integer number (5256490554882).

Almost surely, 2^{120001122021020} is an apocalyptic number.

120001122021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001122021020 is an abundant number, since it is smaller than the sum of its proper divisors (132310424613316).

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

120001122021020 is a wasteful number, since it uses less digits than its factorization.

120001122021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217462 (or 1217460 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120001122021020 its reverse (20120221100021), we get a palindrome (140121343121041).

The spelling of 120001122021020 in words is "one hundred twenty trillion, one billion, one hundred twenty-two million, twenty-one thousand, twenty".