212021102110211 has 32 divisors (see below), whose sum is σ = 220420680744960. Its totient is φ = 203696805351424.

The previous prime is 212021102110201. The next prime is 212021102110229. The reversal of 212021102110211 is 112011201120212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021102110211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212021102110211.

It is not an unprimeable number, because it can be changed into a prime (212021102110201) 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, 34514257406 + ... + 34514263548.

It is an arithmetic number, because the mean of its divisors is an integer number (6888146273280).

Almost surely, 2^{212021102110211} is an apocalyptic number.

212021102110211 is a deficient number, since it is larger than the sum of its proper divisors (8399578634749).

212021102110211 is a wasteful number, since it uses less digits than its factorization.

212021102110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13135.

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

Adding to 212021102110211 its reverse (112011201120212), we get a palindrome (324032303230423).

The spelling of 212021102110211 in words is "two hundred twelve trillion, twenty-one billion, one hundred two million, one hundred ten thousand, two hundred eleven".