2100212021232 has 120 divisors (see below), whose sum is σ = 6564243080304. Its totient is φ = 646219067904.

The previous prime is 2100212021207. The next prime is 2100212021233. The reversal of 2100212021232 is 2321202120012.

2100212021232 is a `hidden beast` number, since 210 + 0 + 21 + 202 + 1 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100212021233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20725533 + ... + 20826620.

Almost surely, 2^{2100212021232} is an apocalyptic number.

It is an amenable number.

2100212021232 is an abundant number, since it is smaller than the sum of its proper divisors (4464031059072).

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

2100212021232 is a wasteful number, since it uses less digits than its factorization.

2100212021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41552189 (or 41552171 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2100212021232 its reverse (2321202120012), we get a palindrome (4421414141244).

The spelling of 2100212021232 in words is "two trillion, one hundred billion, two hundred twelve million, twenty-one thousand, two hundred thirty-two".