22111231021120 has 56 divisors (see below), whose sum is σ = 52925179218264. Its totient is φ = 8798665998336.

The previous prime is 22111231021031. The next prime is 22111231021127. The reversal of 22111231021120 is 2112013211122.

It can be written as a sum of positive squares in 4 ways, for example, as 764687287296 + 21346543733824 = 874464^2 + 4620232^2 .

It is not an unprimeable number, because it can be changed into a prime (22111231021127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178947559 + ... + 179071078.

Almost surely, 2^{22111231021120} is an apocalyptic number.

22111231021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111231021120 is an abundant number, since it is smaller than the sum of its proper divisors (30813948197144).

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

22111231021120 is a wasteful number, since it uses less digits than its factorization.

22111231021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358018847 (or 358018837 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 22111231021120 its reverse (2112013211122), we get a palindrome (24223244232242).

The spelling of 22111231021120 in words is "twenty-two trillion, one hundred eleven billion, two hundred thirty-one million, twenty-one thousand, one hundred twenty".