202120221211188 has 48 divisors (see below), whose sum is σ = 539614715727360. Its totient is φ = 57681406864224.

The previous prime is 202120221211187. The next prime is 202120221211199. The reversal of 202120221211188 is 881112122021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120221211187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400505906 + ... + 1400650217.

It is an arithmetic number, because the mean of its divisors is an integer number (11241973244320).

Almost surely, 2^{202120221211188} is an apocalyptic number.

202120221211188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

202120221211188 is an abundant number, since it is smaller than the sum of its proper divisors (337494494516172).

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

202120221211188 is a wasteful number, since it uses less digits than its factorization.

202120221211188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801156996 (or 2801156994 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 33.

The spelling of 202120221211188 in words is "two hundred two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, one hundred eighty-eight".