111222022220099 has 32 divisors (see below), whose sum is σ = 127919466393600. Its totient is φ = 94729205870208.

The previous prime is 111222022220077. The next prime is 111222022220161. The reversal of 111222022220099 is 990022220222111.

It is a happy number.

It is not a de Polignac number, because 111222022220099 - 2⁸ = 111222022219843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111222022220999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 811078289 + ... + 811215405.

It is an arithmetic number, because the mean of its divisors is an integer number (3997483324800).

Almost surely, 2^{111222022220099} is an apocalyptic number.

111222022220099 is a deficient number, since it is larger than the sum of its proper divisors (16697444173501).

111222022220099 is a wasteful number, since it uses less digits than its factorization.

111222022220099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138627.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 111222022220099 in words is "one hundred eleven trillion, two hundred twenty-two billion, twenty-two million, two hundred twenty thousand, ninety-nine".