22011121112000 has 56 divisors (see below), whose sum is σ = 54510541453680. Its totient is φ = 8804448441600.

The previous prime is 22011121111981. The next prime is 22011121112009. The reversal of 22011121112000 is 21112111022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011121112009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375687070 + ... + 1375703069.

Almost surely, 2^{22011121112000} is an apocalyptic number.

22011121112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011121112000 is an abundant number, since it is smaller than the sum of its proper divisors (32499420341680).

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

22011121112000 is an equidigital number, since it uses as much as digits as its factorization.

22011121112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751390166 (or 2751390146 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22011121112000 its reverse (21112111022), we get a palindrome (22032233223022).

The spelling of 22011121112000 in words is "twenty-two trillion, eleven billion, one hundred twenty-one million, one hundred twelve thousand".