2021111222199 has 16 divisors (see below), whose sum is σ = 2796180266208. Its totient is φ = 1297475684352.

The previous prime is 2021111222177. The next prime is 2021111222279. The reversal of 2021111222199 is 9912221111202.

It is not a de Polignac number, because 2021111222199 - 2²⁵ = 2021077667767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021111222699) 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, 93845982 + ... + 93867515.

It is an arithmetic number, because the mean of its divisors is an integer number (174761266638).

Almost surely, 2^{2021111222199} is an apocalyptic number.

2021111222199 is a deficient number, since it is larger than the sum of its proper divisors (775069044009).

2021111222199 is a wasteful number, since it uses less digits than its factorization.

2021111222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187713634.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 2021111222199 in words is "two trillion, twenty-one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred ninety-nine".