12221101122 has 16 divisors (see below), whose sum is σ = 25010626080. Its totient is φ = 3978963072.

The previous prime is 12221101043. The next prime is 12221101133. The reversal of 12221101122 is 22110112221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23684047 + ... + 23684562.

It is an arithmetic number, because the mean of its divisors is an integer number (1563164130).

Almost surely, 2^12221101122 is an apocalyptic number.

12221101122 is an abundant number, since it is smaller than the sum of its proper divisors (12789524958).

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

12221101122 is a wasteful number, since it uses less digits than its factorization.

12221101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47368657.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12221101122 its reverse (22110112221), we get a palindrome (34331213343).

The spelling of 12221101122 in words is "twelve billion, two hundred twenty-one million, one hundred one thousand, one hundred twenty-two".