2311011113212 has 6 divisors (see below), whose sum is σ = 4044269448128. Its totient is φ = 1155505556604.

The previous prime is 2311011113153. The next prime is 2311011113273. The reversal of 2311011113212 is 2123111101132.

It is a self number, because there is not a number n which added to its sum of digits gives 2311011113212.

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, 288876389148 + ... + 288876389155.

Almost surely, 2^{2311011113212} is an apocalyptic number.

It is an amenable number.

2311011113212 is a deficient number, since it is larger than the sum of its proper divisors (1733258334916).

2311011113212 is a wasteful number, since it uses less digits than its factorization.

2311011113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577752778307 (or 577752778305 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2311011113212 its reverse (2123111101132), we get a palindrome (4434122214344).

The spelling of 2311011113212 in words is "two trillion, three hundred eleven billion, eleven million, one hundred thirteen thousand, two hundred twelve".