111111101922 has 8 divisors (see below), whose sum is σ = 222222203856. Its totient is φ = 37037033972.

The previous prime is 111111101921. The next prime is 111111101929. The reversal of 111111101922 is 229101111111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

111111101922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (111111101921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9259258488 + ... + 9259258499.

It is an arithmetic number, because the mean of its divisors is an integer number (27777775482).

Almost surely, 2^111111101922 is an apocalyptic number.

111111101922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111111101922 is a wasteful number, since it uses less digits than its factorization.

111111101922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518516992.

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 111111101922 in words is "one hundred eleven billion, one hundred eleven million, one hundred one thousand, nine hundred twenty-two".