2021222200188 has 24 divisors (see below), whose sum is σ = 4716215799120. Its totient is φ = 673736352640.

The previous prime is 2021222200177. The next prime is 2021222200189. The reversal of 2021222200188 is 8810022221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021222200189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765768 + ... + 2675888.

It is an arithmetic number, because the mean of its divisors is an integer number (196508991630).

Almost surely, 2^{2021222200188} is an apocalyptic number.

It is an amenable number.

2021222200188 is an abundant number, since it is smaller than the sum of its proper divisors (2694993598932).

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

2021222200188 is a wasteful number, since it uses less digits than its factorization.

2021222200188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095197 (or 1095195 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The spelling of 2021222200188 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two hundred thousand, one hundred eighty-eight".