22011120111012 has 48 divisors (see below), whose sum is σ = 54410245489152. Its totient is φ = 6901661370880.

The previous prime is 22011120110957. The next prime is 22011120111109. The reversal of 22011120111012 is 21011102111022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22011120110982 and 22011120111000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29221539 + ... + 29965322.

It is an arithmetic number, because the mean of its divisors is an integer number (1133546781024).

Almost surely, 2^{22011120111012} is an apocalyptic number.

It is an amenable number.

22011120111012 is an abundant number, since it is smaller than the sum of its proper divisors (32399125378140).

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

22011120111012 is a wasteful number, since it uses less digits than its factorization.

22011120111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59188708 (or 59188706 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22011120111012 its reverse (21011102111022), we get a palindrome (43022222222034).

The spelling of 22011120111012 in words is "twenty-two trillion, eleven billion, one hundred twenty million, one hundred eleven thousand, twelve".