122213919321 has 12 divisors (see below), whose sum is σ = 190110541348. Its totient is φ = 75208565664.

The previous prime is 122213919319. The next prime is 122213919391. The reversal of 122213919321 is 123919312221.

122213919321 is a `hidden beast` number, since 12 + 221 + 391 + 9 + 32 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60533713296 + 61680206025 = 246036^2 + 248355^2 .

It is not a de Polignac number, because 122213919321 - 2¹ = 122213919319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122213919391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522281590 + ... + 522281823.

Almost surely, 2^122213919321 is an apocalyptic number.

It is an amenable number.

122213919321 is a deficient number, since it is larger than the sum of its proper divisors (67896622027).

122213919321 is a wasteful number, since it uses less digits than its factorization.

122213919321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044563432 (or 1044563429 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The spelling of 122213919321 in words is "one hundred twenty-two billion, two hundred thirteen million, nine hundred nineteen thousand, three hundred twenty-one".