111112222010022 has 96 divisors (see below), whose sum is σ = 256896607518720. Its totient is φ = 34605883186560.

The previous prime is 111112222010017. The next prime is 111112222010113. The reversal of 111112222010022 is 220010222211111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111112222009977 and 111112222010004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 651802003 + ... + 651972449.

It is an arithmetic number, because the mean of its divisors is an integer number (2676006328320).

Almost surely, 2^{111112222010022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111112222010022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128448303759360).

111112222010022 is an abundant number, since it is smaller than the sum of its proper divisors (145784385508698).

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

111112222010022 is a wasteful number, since it uses less digits than its factorization.

111112222010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196658 (or 196655 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111112222010022 its reverse (220010222211111), we get a palindrome (331122444221133).

The spelling of 111112222010022 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred twenty-two million, ten thousand, twenty-two".