212021211010211 has 32 divisors (see below), whose sum is σ = 214914524590080. Its totient is φ = 209154985920000.

The previous prime is 212021211010171. The next prime is 212021211010237. The reversal of 212021211010211 is 112010112120212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021211010211 is a prime.

It is a super-2 number, since 2×212021211010211² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212021211010211.

It is not an unprimeable number, because it can be changed into a prime (212021211010291) 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, 12992283710 + ... + 12992300028.

It is an arithmetic number, because the mean of its divisors is an integer number (6716078893440).

Almost surely, 2^{212021211010211} is an apocalyptic number.

212021211010211 is a deficient number, since it is larger than the sum of its proper divisors (2893313579869).

212021211010211 is a wasteful number, since it uses less digits than its factorization.

212021211010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17867.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212021211010211 its reverse (112010112120212), we get a palindrome (324031323130423).

The spelling of 212021211010211 in words is "two hundred twelve trillion, twenty-one billion, two hundred eleven million, ten thousand, two hundred eleven".