2102201012120 has 64 divisors (see below), whose sum is σ = 5257305505440. Its totient is φ = 750013388800.

The previous prime is 2102201012113. The next prime is 2102201012143. The reversal of 2102201012120 is 212101022012.

It is a junction number, because it is equal to n+sod(n) for n = 2102201012095 and 2102201012104.

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, 45049601 + ... + 45096240.

Almost surely, 2^{2102201012120} is an apocalyptic number.

2102201012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102201012120 is an abundant number, since it is smaller than the sum of its proper divisors (3155104493320).

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

2102201012120 is a wasteful number, since it uses less digits than its factorization.

2102201012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90145916 (or 90145912 counting only the distinct ones).

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

Adding to 2102201012120 its reverse (212101022012), we get a palindrome (2314302034132).

The spelling of 2102201012120 in words is "two trillion, one hundred two billion, two hundred one million, twelve thousand, one hundred twenty".