111112211022 has 8 divisors (see below), whose sum is σ = 222224422056. Its totient is φ = 37037403672.

The previous prime is 111112211009. The next prime is 111112211057. The reversal of 111112211022 is 220112211111.

It is a happy number.

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

111112211022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 111112210992 and 111112211010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9259350913 + ... + 9259350924.

It is an arithmetic number, because the mean of its divisors is an integer number (27778052757).

Almost surely, 2^111112211022 is an apocalyptic number.

111112211022 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.

111112211022 is a wasteful number, since it uses less digits than its factorization.

111112211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518701842.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111112211022 its reverse (220112211111), we get a palindrome (331224422133).

The spelling of 111112211022 in words is "one hundred eleven billion, one hundred twelve million, two hundred eleven thousand, twenty-two".