201121721098888 has 64 divisors (see below), whose sum is σ = 391255559712000. Its totient is φ = 96870362514432.

The previous prime is 201121721098867. The next prime is 201121721098897. The reversal of 201121721098888 is 888890127121102.

201121721098888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 10776145 + ... + 22767712.

It is an arithmetic number, because the mean of its divisors is an integer number (6113368120500).

Almost surely, 2^{201121721098888} is an apocalyptic number.

It is an amenable number.

201121721098888 is a deficient number, since it is larger than the sum of its proper divisors (190133838613112).

201121721098888 is a wasteful number, since it uses less digits than its factorization.

201121721098888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33544174 (or 33544170 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 58.

The spelling of 201121721098888 in words is "two hundred one trillion, one hundred twenty-one billion, seven hundred twenty-one million, ninety-eight thousand, eight hundred eighty-eight".