22111110120000 has 560 divisors, whose sum is σ = 80011591494912. Its totient is φ = 5342711040000.

The previous prime is 22111110119977. The next prime is 22111110120023. The reversal of 22111110120000 is 2101111122.

It is an interprime number because it is at equal distance from previous prime (22111110119977) and next prime (22111110120023).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 405212719 + ... + 405267281.

Almost surely, 2^{22111110120000} is an apocalyptic number.

22111110120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22111110120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40005795747456).

22111110120000 is an abundant number, since it is smaller than the sum of its proper divisors (57900481374912).

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

22111110120000 is a wasteful number, since it uses less digits than its factorization.

22111110120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54916 (or 54891 counting only the distinct ones).

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

Adding to 22111110120000 its reverse (2101111122), we get a palindrome (22113211231122).

The spelling of 22111110120000 in words is "twenty-two trillion, one hundred eleven billion, one hundred ten million, one hundred twenty thousand".