2100922221000 has 64 divisors (see below), whose sum is σ = 6554877338880. Its totient is φ = 560245924800.

The previous prime is 2100922220951. The next prime is 2100922221133. The reversal of 2100922221000 is 1222290012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350150704 + ... + 350156703.

It is an arithmetic number, because the mean of its divisors is an integer number (102419958420).

Almost surely, 2^{2100922221000} is an apocalyptic number.

2100922221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100922221000 is an abundant number, since it is smaller than the sum of its proper divisors (4453955117880).

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

2100922221000 is a wasteful number, since it uses less digits than its factorization.

2100922221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700307431 (or 700307417 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 2100922221000 in words is "two trillion, one hundred billion, nine hundred twenty-two million, two hundred twenty-one thousand".