12220111022 has 32 divisors (see below), whose sum is σ = 22278708480. Its totient is φ = 4910388480.

The previous prime is 12220111021. The next prime is 12220111051. The reversal of 12220111022 is 22011102221.

It is a super-2 number, since 2×12220111022² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12220110988 and 12220111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220111021) 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, 211004 + ... + 262607.

It is an arithmetic number, because the mean of its divisors is an integer number (696209640).

Almost surely, 2^12220111022 is an apocalyptic number.

12220111022 is a deficient number, since it is larger than the sum of its proper divisors (10058597458).

12220111022 is a wasteful number, since it uses less digits than its factorization.

12220111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473736.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220111022 its reverse (22011102221), we get a palindrome (34231213243).

The spelling of 12220111022 in words is "twelve billion, two hundred twenty million, one hundred eleven thousand, twenty-two".