122221430331 has 32 divisors (see below), whose sum is σ = 218802006528. Its totient is φ = 58607677440.

The previous prime is 122221430323. The next prime is 122221430333. The reversal of 122221430331 is 133034122221.

It is not a de Polignac number, because 122221430331 - 2³ = 122221430323 is a prime.

It is a super-2 number, since 2×122221430331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122221430333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20346886 + ... + 20352891.

It is an arithmetic number, because the mean of its divisors is an integer number (6837562704).

Almost surely, 2^122221430331 is an apocalyptic number.

122221430331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122221430331 is a deficient number, since it is larger than the sum of its proper divisors (96580576197).

122221430331 is a wasteful number, since it uses less digits than its factorization.

122221430331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40699811.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 122221430331 its reverse (133034122221), we get a palindrome (255255552552).

The spelling of 122221430331 in words is "one hundred twenty-two billion, two hundred twenty-one million, four hundred thirty thousand, three hundred thirty-one".