2100201100212 has 12 divisors (see below), whose sum is σ = 4900469233856. Its totient is φ = 700067033400.

The previous prime is 2100201100201. The next prime is 2100201100223. The reversal of 2100201100212 is 2120011020012.

It is an interprime number because it is at equal distance from previous prime (2100201100201) and next prime (2100201100223).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2100201100212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 175016758351 = 2100201100212 / (2 + 1 + 0 + 0 + 2 + 0 + 1 + 1 + 0 + 0 + 2 + 1 + 2).

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, 87508379164 + ... + 87508379187.

Almost surely, 2^{2100201100212} is an apocalyptic number.

It is an amenable number.

2100201100212 is an abundant number, since it is smaller than the sum of its proper divisors (2800268133644).

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

2100201100212 is a wasteful number, since it uses less digits than its factorization.

2100201100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175016758358 (or 175016758356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100201100212 its reverse (2120011020012), we get a palindrome (4220212120224).

The spelling of 2100201100212 in words is "two trillion, one hundred billion, two hundred one million, one hundred thousand, two hundred twelve".