120020001122021 has 128 divisors (see below), whose sum is σ = 164766970368000. Its totient is φ = 84400143759360.

The previous prime is 120020001122009. The next prime is 120020001122057. The reversal of 120020001122021 is 120221100020021.

It is a de Polignac number, because none of the positive numbers 2^k-120020001122021 is a prime.

It is a super-2 number, since 2×120020001122021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120020001121987 and 120020001122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020001122071) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23318435570 + ... + 23318440716.

It is an arithmetic number, because the mean of its divisors is an integer number (1287241956000).

Almost surely, 2^{120020001122021} is an apocalyptic number.

120020001122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120020001122021 is a deficient number, since it is larger than the sum of its proper divisors (44746969245979).

120020001122021 is a wasteful number, since it uses less digits than its factorization.

120020001122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699.

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

Adding to 120020001122021 its reverse (120221100020021), we get a palindrome (240241101142042).

The spelling of 120020001122021 in words is "one hundred twenty trillion, twenty billion, one million, one hundred twenty-two thousand, twenty-one".