12221011121110 has 192 divisors, whose sum is σ = 25325616556800. Its totient is φ = 4237390080000.

The previous prime is 12221011121101. The next prime is 12221011121161. The reversal of 12221011121110 is 1112111012221.

It is a super-2 number, since 2×12221011121110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1449528595 + ... + 1449537025.

It is an arithmetic number, because the mean of its divisors is an integer number (131904252900).

Almost surely, 2^{12221011121110} is an apocalyptic number.

12221011121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221011121110 is an abundant number, since it is smaller than the sum of its proper divisors (13104605435690).

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

12221011121110 is a wasteful number, since it uses less digits than its factorization.

12221011121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999 (or 8988 counting only the distinct ones).

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

Adding to 12221011121110 its reverse (1112111012221), we get a palindrome (13333122133331).

The spelling of 12221011121110 in words is "twelve trillion, two hundred twenty-one billion, eleven million, one hundred twenty-one thousand, one hundred ten".