2021200112120 has 48 divisors (see below), whose sum is σ = 5290181931240. Its totient is φ = 692982894912.

The previous prime is 2021200112101. The next prime is 2021200112143. The reversal of 2021200112120 is 212110021202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2021200112095 and 2021200112104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515610314 + ... + 515614233.

Almost surely, 2^{2021200112120} is an apocalyptic number.

2021200112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021200112120 is an abundant number, since it is smaller than the sum of its proper divisors (3268981819120).

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

2021200112120 is a wasteful number, since it uses less digits than its factorization.

2021200112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031224572 (or 1031224561 counting only the distinct ones).

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

Adding to 2021200112120 its reverse (212110021202), we get a palindrome (2233310133322).

The spelling of 2021200112120 in words is "two trillion, twenty-one billion, two hundred million, one hundred twelve thousand, one hundred twenty".