2100333100212 has 72 divisors (see below), whose sum is σ = 5718719086080. Its totient is φ = 648069111360.

The previous prime is 2100333100157. The next prime is 2100333100247. The reversal of 2100333100212 is 2120013330012.

2100333100212 is a `hidden beast` number, since 21 + 0 + 0 + 333 + 100 + 212 = 666.

It is a super-2 number, since 2×2100333100212² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40887787 + ... + 40939122.

Almost surely, 2^{2100333100212} is an apocalyptic number.

It is an amenable number.

2100333100212 is an abundant number, since it is smaller than the sum of its proper divisors (3618385985868).

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

2100333100212 is a wasteful number, since it uses less digits than its factorization.

2100333100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81826973 (or 81826968 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2100333100212 its reverse (2120013330012), we get a palindrome (4220346430224).

The spelling of 2100333100212 in words is "two trillion, one hundred billion, three hundred thirty-three million, one hundred thousand, two hundred twelve".