2021002220120 has 32 divisors (see below), whose sum is σ = 4897043842320. Its totient is φ = 746216204160.

The previous prime is 2021002220117. The next prime is 2021002220131. The reversal of 2021002220120 is 210222001202.

It is a junction number, because it is equal to n+sod(n) for n = 2021002220095 and 2021002220104.

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, 1943270846 + ... + 1943271885.

Almost surely, 2^{2021002220120} is an apocalyptic number.

2021002220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021002220120 is an abundant number, since it is smaller than the sum of its proper divisors (2876041622200).

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

2021002220120 is a wasteful number, since it uses less digits than its factorization.

2021002220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886542755 (or 3886542751 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2021002220120 its reverse (210222001202), we get a palindrome (2231224221322).

The spelling of 2021002220120 in words is "two trillion, twenty-one billion, two million, two hundred twenty thousand, one hundred twenty".