111110020221222 has 96 divisors (see below), whose sum is σ = 264928620662784. Its totient is φ = 33374673259200.

The previous prime is 111110020221203. The next prime is 111110020221281. The reversal of 111110020221222 is 222122020011111.

111110020221222 is a `hidden beast` number, since 111 + 110 + 0 + 2 + 0 + 221 + 222 = 666.

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 = 111110020221195 and 111110020221204.

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, 26110197 + ... + 30065967.

It is an arithmetic number, because the mean of its divisors is an integer number (2759673131904).

Almost surely, 2^{111110020221222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111110020221222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132464310331392).

111110020221222 is an abundant number, since it is smaller than the sum of its proper divisors (153818600441562).

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

111110020221222 is a wasteful number, since it uses less digits than its factorization.

111110020221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957034 (or 3957031 counting only the distinct ones).

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

Adding to 111110020221222 its reverse (222122020011111), we get a palindrome (333232040232333).

The spelling of 111110020221222 in words is "one hundred eleven trillion, one hundred ten billion, twenty million, two hundred twenty-one thousand, two hundred twenty-two".