22211111220112 has 20 divisors (see below), whose sum is σ = 43091947296000. Its totient is φ = 11090608692128.

The previous prime is 22211111220073. The next prime is 22211111220121. The reversal of 22211111220112 is 21102211111222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22211111220112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934170112 + ... + 934193887.

It is an arithmetic number, because the mean of its divisors is an integer number (2154597364800).

Almost surely, 2^{22211111220112} is an apocalyptic number.

It is an amenable number.

22211111220112 is a deficient number, since it is larger than the sum of its proper divisors (20880836075888).

22211111220112 is a wasteful number, since it uses less digits than its factorization.

22211111220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868364750 (or 1868364744 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22211111220112 its reverse (21102211111222), we get a palindrome (43313322331334).

The spelling of 22211111220112 in words is "twenty-two trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty thousand, one hundred twelve".