211121022220202 has 32 divisors (see below), whose sum is σ = 319329281107200. Its totient is φ = 104681919767040.

The previous prime is 211121022220177. The next prime is 211121022220219. The reversal of 211121022220202 is 202022220121112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177521498 + ... + 178706810.

It is an arithmetic number, because the mean of its divisors is an integer number (9979040034600).

Almost surely, 2^{211121022220202} is an apocalyptic number.

211121022220202 is a deficient number, since it is larger than the sum of its proper divisors (108208258886998).

211121022220202 is a wasteful number, since it uses less digits than its factorization.

211121022220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186998.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211121022220202 its reverse (202022220121112), we get a palindrome (413143242341314).

The spelling of 211121022220202 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty thousand, two hundred two".