2100201021212 has 12 divisors (see below), whose sum is σ = 4200402042480. Its totient is φ = 900086151936.

The previous prime is 2100201021161. The next prime is 2100201021257. The reversal of 2100201021212 is 2121201020012.

2100201021212 is an admirable number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37503589637 + ... + 37503589692.

It is an arithmetic number, because the mean of its divisors is an integer number (350033503540).

Almost surely, 2^{2100201021212} is an apocalyptic number.

It is an amenable number.

2100201021212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2100201021212 is a wasteful number, since it uses less digits than its factorization.

2100201021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75007179340 (or 75007179338 counting only the distinct ones).

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

Adding to 2100201021212 its reverse (2121201020012), we get a palindrome (4221402041224).

The spelling of 2100201021212 in words is "two trillion, one hundred billion, two hundred one million, twenty-one thousand, two hundred twelve".