2100120222032 has 30 divisors (see below), whose sum is σ = 4733306675658. Its totient is φ = 900051523392.

The previous prime is 2100120222029. The next prime is 2100120222043. The reversal of 2100120222032 is 2302220210012.

It can be written as a sum of positive squares in only one way, i.e., 1415900087056 + 684220134976 = 1189916^2 + 827176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2100120222032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1339361603 + ... + 1339363170.

Almost surely, 2^{2100120222032} is an apocalyptic number.

It is an amenable number.

2100120222032 is an abundant number, since it is smaller than the sum of its proper divisors (2633186453626).

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

2100120222032 is a wasteful number, since it uses less digits than its factorization.

2100120222032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678724795 (or 2678724782 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2100120222032 its reverse (2302220210012), we get a palindrome (4402340432044).

The spelling of 2100120222032 in words is "two trillion, one hundred billion, one hundred twenty million, two hundred twenty-two thousand, thirty-two".