111222022211112 has 64 divisors (see below), whose sum is σ = 278341516252800. Its totient is φ = 37035829797120.

The previous prime is 111222022211099. The next prime is 111222022211117. The reversal of 111222022211112 is 211112220222111.

It is a super-2 number, since 2×111222022211112² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111222022211117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103623037 + ... + 104690867.

It is an arithmetic number, because the mean of its divisors is an integer number (4349086191450).

Almost surely, 2^{111222022211112} is an apocalyptic number.

111222022211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111222022211112 is an abundant number, since it is smaller than the sum of its proper divisors (167119494041688).

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

111222022211112 is a wasteful number, since it uses less digits than its factorization.

111222022211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072306 (or 1072302 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111222022211112 its reverse (211112220222111), we get a palindrome (322334242433223).

The spelling of 111222022211112 in words is "one hundred eleven trillion, two hundred twenty-two billion, twenty-two million, two hundred eleven thousand, one hundred twelve".