111122100120222 has 20 divisors (see below), whose sum is σ = 248995816936416. Its totient is φ = 37040700040020.

The previous prime is 111122100120221. The next prime is 111122100120247. The reversal of 111122100120222 is 222021001221111.

111122100120222 is a `hidden beast` number, since 1 + 1 + 112 + 210 + 0 + 120 + 222 = 666.

It is a super-2 number, since 2×111122100120222² (a number of 29 digits) contains 22 as substring.

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 = 111122100120195 and 111122100120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122100120221) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 342969444654 + ... + 342969444977.

Almost surely, 2^{111122100120222} is an apocalyptic number.

111122100120222 is an abundant number, since it is smaller than the sum of its proper divisors (137873716816194).

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

111122100120222 is an equidigital number, since it uses as much as digits as its factorization.

111122100120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685938889645 (or 685938889636 counting only the distinct ones).

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

Adding to 111122100120222 its reverse (222021001221111), we get a palindrome (333143101341333).

The spelling of 111122100120222 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred million, one hundred twenty thousand, two hundred twenty-two".