211122010312 has 8 divisors (see below), whose sum is σ = 395853769350. Its totient is φ = 105561005152.

The previous prime is 211122010279. The next prime is 211122010339. The reversal of 211122010312 is 213010221112.

211122010312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 168498756196 + 42623254116 = 410486^2 + 206454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13195125637 + ... + 13195125652.

Almost surely, 2^211122010312 is an apocalyptic number.

It is an amenable number.

211122010312 is a deficient number, since it is larger than the sum of its proper divisors (184731759038).

211122010312 is a wasteful number, since it uses less digits than its factorization.

211122010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26390251295 (or 26390251291 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211122010312 its reverse (213010221112), we get a palindrome (424132231424).

The spelling of 211122010312 in words is "two hundred eleven billion, one hundred twenty-two million, ten thousand, three hundred twelve".