111210002022222 has 16 divisors (see below), whose sum is σ = 247133337827280. Its totient is φ = 37070000674056.

The previous prime is 111210002022199. The next prime is 111210002022239. The reversal of 111210002022222 is 222220200012111.

It is a happy number.

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 = 111210002022195 and 111210002022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029722240893 + ... + 1029722241000.

It is an arithmetic number, because the mean of its divisors is an integer number (15445833614205).

Almost surely, 2^{111210002022222} is an apocalyptic number.

111210002022222 is an abundant number, since it is smaller than the sum of its proper divisors (135923335805058).

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

111210002022222 is a wasteful number, since it uses less digits than its factorization.

111210002022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059444481904 (or 2059444481898 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111210002022222 its reverse (222220200012111), we get a palindrome (333430202034333).

The spelling of 111210002022222 in words is "one hundred eleven trillion, two hundred ten billion, two million, twenty-two thousand, two hundred twenty-two".