122210220231 has 24 divisors (see below), whose sum is σ = 199706043264. Its totient is φ = 74066798520.

The previous prime is 122210220203. The next prime is 122210220241. The reversal of 122210220231 is 132022012221.

122210220231 is a `hidden beast` number, since 1 + 2 + 2 + 210 + 220 + 231 = 666.

It is not a de Polignac number, because 122210220231 - 2⁵ = 122210220199 is a prime.

It is a super-2 number, since 2×122210220231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210220241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22857451 + ... + 22862796.

It is an arithmetic number, because the mean of its divisors is an integer number (8321085136).

Almost surely, 2^122210220231 is an apocalyptic number.

122210220231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122210220231 is a deficient number, since it is larger than the sum of its proper divisors (77495823033).

122210220231 is an equidigital number, since it uses as much as digits as its factorization.

122210220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45720273 (or 45720261 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122210220231 its reverse (132022012221), we get a palindrome (254232232452).

The spelling of 122210220231 in words is "one hundred twenty-two billion, two hundred ten million, two hundred twenty thousand, two hundred thirty-one".