12221110022 has 16 divisors (see below), whose sum is σ = 20337134400. Its totient is φ = 5460896040.

The previous prime is 12221110021. The next prime is 12221110039. The reversal of 12221110022 is 22001112221.

It is a junction number, because it is equal to n+sod(n) for n = 12221109979 and 12221110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221110021) 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, 4706372 + ... + 4708967.

It is an arithmetic number, because the mean of its divisors is an integer number (1271070900).

Almost surely, 2^12221110022 is an apocalyptic number.

12221110022 is a deficient number, since it is larger than the sum of its proper divisors (8116024378).

12221110022 is a wasteful number, since it uses less digits than its factorization.

12221110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415411.

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

Adding to 12221110022 its reverse (22001112221), we get a palindrome (34222222243).

The spelling of 12221110022 in words is "twelve billion, two hundred twenty-one million, one hundred ten thousand, twenty-two".