122221193231 has 2 divisors, whose sum is σ = 122221193232. Its totient is φ = 122221193230.

The previous prime is 122221193209. The next prime is 122221193243. The reversal of 122221193231 is 132391122221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122221193231 - 2¹⁰ = 122221192207 is a prime.

It is a super-2 number, since 2×122221193231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122221193194 and 122221193203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122221193431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110596615 + 61110596616.

It is an arithmetic number, because the mean of its divisors is an integer number (61110596616).

Almost surely, 2^122221193231 is an apocalyptic number.

122221193231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122221193231 is an equidigital number, since it uses as much as digits as its factorization.

122221193231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The spelling of 122221193231 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred ninety-three thousand, two hundred thirty-one".