122221231113 has 4 divisors (see below), whose sum is σ = 162961641488. Its totient is φ = 81480820740.

The previous prime is 122221231091. The next prime is 122221231127. The reversal of 122221231113 is 311132122221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122221231113 - 2¹⁴ = 122221214729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122221231113.

It is not an unprimeable number, because it can be changed into a prime (122221231313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20370205183 + ... + 20370205188.

It is an arithmetic number, because the mean of its divisors is an integer number (40740410372).

Almost surely, 2^122221231113 is an apocalyptic number.

It is an amenable number.

122221231113 is a deficient number, since it is larger than the sum of its proper divisors (40740410375).

122221231113 is an equidigital number, since it uses as much as digits as its factorization.

122221231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40740410374.

The product of its digits is 288, while the sum is 21.

Adding to 122221231113 its reverse (311132122221), we get a palindrome (433353353334).

The spelling of 122221231113 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred thirteen".