122220011189 has 2 divisors, whose sum is σ = 122220011190. Its totient is φ = 122220011188.

The previous prime is 122220011183. The next prime is 122220011219. The reversal of 122220011189 is 981110022221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109043267089 + 13176744100 = 330217^2 + 114790^2 .

It is a cyclic number.

It is not a de Polignac number, because 122220011189 - 2²⁴ = 122203233973 is a prime.

It is a super-2 number, since 2×122220011189² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122220011183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110005594 + 61110005595.

It is an arithmetic number, because the mean of its divisors is an integer number (61110005595).

Almost surely, 2^122220011189 is an apocalyptic number.

It is an amenable number.

122220011189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220011189 is an equidigital number, since it uses as much as digits as its factorization.

122220011189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 122220011189 in words is "one hundred twenty-two billion, two hundred twenty million, eleven thousand, one hundred eighty-nine".