22111001112 has 64 divisors (see below), whose sum is σ = 55455068160. Its totient is φ = 7346707200.

The previous prime is 22111001093. The next prime is 22111001137. The reversal of 22111001112 is 21110011122.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 15030537 + ... + 15032007.

It is an arithmetic number, because the mean of its divisors is an integer number (866485440).

Almost surely, 2^22111001112 is an apocalyptic number.

It is an amenable number.

22111001112 is an abundant number, since it is smaller than the sum of its proper divisors (33344067048).

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

22111001112 is a wasteful number, since it uses less digits than its factorization.

22111001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3060 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22111001112 its reverse (21110011122), we get a palindrome (43221012234).

It can be divided in two parts, 2 and 2111001112, that multiplied together give a palindrome (4222002224).

The spelling of 22111001112 in words is "twenty-two billion, one hundred eleven million, one thousand, one hundred twelve".