211202220122020 has 48 divisors (see below), whose sum is σ = 447132302991360. Its totient is φ = 83794061602944.

The previous prime is 211202220122011. The next prime is 211202220122041. The reversal of 211202220122020 is 20221022202112.

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, 875980 + ... + 20571139.

It is an arithmetic number, because the mean of its divisors is an integer number (9315256312320).

Almost surely, 2^{211202220122020} is an apocalyptic number.

211202220122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211202220122020 is an abundant number, since it is smaller than the sum of its proper divisors (235930082869340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211202220122020 is a wasteful number, since it uses less digits than its factorization.

211202220122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21451132 (or 21451130 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211202220122020 its reverse (20221022202112), we get a palindrome (231423242324132).

The spelling of 211202220122020 in words is "two hundred eleven trillion, two hundred two billion, two hundred twenty million, one hundred twenty-two thousand, twenty".