2111212100212 has 48 divisors (see below), whose sum is σ = 3905497411200. Its totient is φ = 996575551488.

The previous prime is 2111212100209. The next prime is 2111212100227. The reversal of 2111212100212 is 2120012121112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7754164 + ... + 8021812.

It is an arithmetic number, because the mean of its divisors is an integer number (81364529400).

Almost surely, 2^{2111212100212} is an apocalyptic number.

It is an amenable number.

2111212100212 is a deficient number, since it is larger than the sum of its proper divisors (1794285310988).

2111212100212 is a wasteful number, since it uses less digits than its factorization.

2111212100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268792 (or 268790 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111212100212 its reverse (2120012121112), we get a palindrome (4231224221324).

The spelling of 2111212100212 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one hundred thousand, two hundred twelve".