212112221102211 has 32 divisors (see below), whose sum is σ = 296447431355712. Its totient is φ = 134775236311040.

The previous prime is 212112221102203. The next prime is 212112221102231. The reversal of 212112221102211 is 112201122211212.

It is a cyclic number.

It is not a de Polignac number, because 212112221102211 - 2³ = 212112221102203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112221102231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68304120 + ... + 71341973.

It is an arithmetic number, because the mean of its divisors is an integer number (9263982229866).

Almost surely, 2^{212112221102211} is an apocalyptic number.

212112221102211 is a deficient number, since it is larger than the sum of its proper divisors (84335210253501).

212112221102211 is a wasteful number, since it uses less digits than its factorization.

212112221102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139646423.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212112221102211 its reverse (112201122211212), we get a palindrome (324313343313423).

The spelling of 212112221102211 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty-one million, one hundred two thousand, two hundred eleven".