22111320022 has 32 divisors (see below), whose sum is σ = 36891482400. Its totient is φ = 9937565440.

The previous prime is 22111320013. The next prime is 22111320037. The reversal of 22111320022 is 22002311122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22111319978 and 22111320005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190254 + ... + 283582.

It is an arithmetic number, because the mean of its divisors is an integer number (1152858825).

Almost surely, 2^22111320022 is an apocalyptic number.

22111320022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22111320022 is a deficient number, since it is larger than the sum of its proper divisors (14780162378).

22111320022 is an equidigital number, since it uses as much as digits as its factorization.

22111320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93453 (or 93431 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22111320022 its reverse (22002311122), we get a palindrome (44113631144).

The spelling of 22111320022 in words is "twenty-two billion, one hundred eleven million, three hundred twenty thousand, twenty-two".