2113031100212 has 6 divisors (see below), whose sum is σ = 3697804425378. Its totient is φ = 1056515550104.

The previous prime is 2113031100209. The next prime is 2113031100233. The reversal of 2113031100212 is 2120011303112.

It can be written as a sum of positive squares in only one way, i.e., 1996834652836 + 116196447376 = 1413094^2 + 340876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264128887523 + ... + 264128887530.

It is an arithmetic number, because the mean of its divisors is an integer number (616300737563).

Almost surely, 2^{2113031100212} is an apocalyptic number.

It is an amenable number.

2113031100212 is a deficient number, since it is larger than the sum of its proper divisors (1584773325166).

2113031100212 is a wasteful number, since it uses less digits than its factorization.

2113031100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528257775057 (or 528257775055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2113031100212 its reverse (2120011303112), we get a palindrome (4233042403324).

The spelling of 2113031100212 in words is "two trillion, one hundred thirteen billion, thirty-one million, one hundred thousand, two hundred twelve".