111222211212222 has 32 divisors (see below), whose sum is σ = 245990843239680. Its totient is φ = 33242005840320.

The previous prime is 111222211212191. The next prime is 111222211212253. The reversal of 111222211212222 is 222212112222111.

111222211212222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (111222211212191) and next prime (111222211212253).

It is a super-2 number, since 2×111222211212222² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111222211212192 and 111222211212201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11542358322 + ... + 11542367957.

It is an arithmetic number, because the mean of its divisors is an integer number (7687213851240).

Almost surely, 2^{111222211212222} is an apocalyptic number.

111222211212222 is an abundant number, since it is smaller than the sum of its proper divisors (134768632027458).

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

111222211212222 is a wasteful number, since it uses less digits than its factorization.

111222211212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23084726368.

The product of its digits is 512, while the sum is 24.

Adding to 111222211212222 its reverse (222212112222111), we get a palindrome (333434323434333).

The spelling of 111222211212222 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, two hundred twelve thousand, two hundred twenty-two".