111101100222 has 64 divisors (see below), whose sum is σ = 258828410880. Its totient is φ = 31133217024.

The previous prime is 111101100211. The next prime is 111101100281. The reversal of 111101100222 is 222001101111.

It is a junction number, because it is equal to n+sod(n) for n = 111101100198 and 111101100207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7848483 + ... + 7862625.

It is an arithmetic number, because the mean of its divisors is an integer number (4044193920).

Almost surely, 2^111101100222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111101100222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129414205440).

111101100222 is an abundant number, since it is smaller than the sum of its proper divisors (147727310658).

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

111101100222 is a wasteful number, since it uses less digits than its factorization.

111101100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17737.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111101100222 its reverse (222001101111), we get a palindrome (333102201333).

The spelling of 111101100222 in words is "one hundred eleven billion, one hundred one million, one hundred thousand, two hundred twenty-two".