212021210102211 has 20 divisors (see below), whose sum is σ = 316748947308552. Its totient is φ = 141335912467008.

The previous prime is 212021210102173. The next prime is 212021210102279. The reversal of 212021210102211 is 112201012120212.

212021210102211 is a `hidden beast` number, since 2 + 120 + 21 + 210 + 102 + 211 = 666.

It is not a de Polignac number, because 212021210102211 - 2⁷ = 212021210102083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021210102011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 106049190 + ... + 108029963.

Almost surely, 2^{212021210102211} is an apocalyptic number.

212021210102211 is a deficient number, since it is larger than the sum of its proper divisors (104727737206341).

212021210102211 is a wasteful number, since it uses less digits than its factorization.

212021210102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214091392 (or 214091383 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212021210102211 its reverse (112201012120212), we get a palindrome (324222222222423).

The spelling of 212021210102211 in words is "two hundred twelve trillion, twenty-one billion, two hundred ten million, one hundred two thousand, two hundred eleven".