2100002112212 has 24 divisors (see below), whose sum is σ = 3686946081000. Its totient is φ = 1046589313536.

The previous prime is 2100002112211. The next prime is 2100002112223. The reversal of 2100002112212 is 2122112000012.

It can be written as a sum of positive squares in 4 ways, for example, as 1780333636 + 2098221778576 = 42194^2 + 1448524^2 .

It is a super-2 number, since 2×2100002112212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100002112211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31703864 + ... + 31770032.

It is an arithmetic number, because the mean of its divisors is an integer number (153622753375).

Almost surely, 2^{2100002112212} is an apocalyptic number.

It is an amenable number.

2100002112212 is a deficient number, since it is larger than the sum of its proper divisors (1586943968788).

2100002112212 is a wasteful number, since it uses less digits than its factorization.

2100002112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91835 (or 91833 counting only the distinct ones).

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

Adding to 2100002112212 its reverse (2122112000012), we get a palindrome (4222114112224).

The spelling of 2100002112212 in words is "two trillion, one hundred billion, two million, one hundred twelve thousand, two hundred twelve".