22111034660 has 48 divisors (see below), whose sum is σ = 54550867392. Its totient is φ = 7421884800.

The previous prime is 22111034651. The next prime is 22111034669. The reversal of 22111034660 is 6643011122.

It is an interprime number because it is at equal distance from previous prime (22111034651) and next prime (22111034669).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (22111034669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3862706 + ... + 3868425.

It is an arithmetic number, because the mean of its divisors is an integer number (1136476404).

Almost surely, 2^22111034660 is an apocalyptic number.

22111034660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111034660 is an abundant number, since it is smaller than the sum of its proper divisors (32439832732).

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

22111034660 is a wasteful number, since it uses less digits than its factorization.

22111034660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731164 (or 7731162 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 22111034660 its reverse (6643011122), we get a palindrome (28754045782).

The spelling of 22111034660 in words is "twenty-two billion, one hundred eleven million, thirty-four thousand, six hundred sixty".