2112101100212 has 12 divisors (see below), whose sum is σ = 3716597793636. Its totient is φ = 1050216016320.

The previous prime is 2112101100199. The next prime is 2112101100217. The reversal of 2112101100212 is 2120011012112.

It can be written as a sum of positive squares in 2 ways, for example, as 20965302436 + 2091135797776 = 144794^2 + 1446076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112101100217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458632633 + ... + 1458634080.

It is an arithmetic number, because the mean of its divisors is an integer number (309716482803).

Almost surely, 2^{2112101100212} is an apocalyptic number.

It is an amenable number.

2112101100212 is a deficient number, since it is larger than the sum of its proper divisors (1604496693424).

2112101100212 is a wasteful number, since it uses less digits than its factorization.

2112101100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917266898 (or 2917266896 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2112101100212 its reverse (2120011012112), we get a palindrome (4232112112324).

The spelling of 2112101100212 in words is "two trillion, one hundred twelve billion, one hundred one million, one hundred thousand, two hundred twelve".