122220031113 has 12 divisors (see below), whose sum is σ = 183078565488. Its totient is φ = 81480020580.

The previous prime is 122220031111. The next prime is 122220031121. The reversal of 122220031113 is 311130022221.

122220031113 is a `hidden beast` number, since 122 + 220 + 0 + 311 + 13 = 666.

It is not a de Polignac number, because 122220031113 - 2¹ = 122220031111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122220031111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251481303 + ... + 251481788.

It is an arithmetic number, because the mean of its divisors is an integer number (15256547124).

Almost surely, 2^122220031113 is an apocalyptic number.

It is an amenable number.

122220031113 is a deficient number, since it is larger than the sum of its proper divisors (60858534375).

122220031113 is an frugal number, since it uses more digits than its factorization.

122220031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502963106 (or 502963094 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122220031113 its reverse (311130022221), we get a palindrome (433350053334).

The spelling of 122220031113 in words is "one hundred twenty-two billion, two hundred twenty million, thirty-one thousand, one hundred thirteen".