193231821122 has 6 divisors (see below), whose sum is σ = 289848664179. Its totient is φ = 96615599730.

The previous prime is 193231821119. The next prime is 193231821151. The reversal of 193231821122 is 221128132391.

193231821122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 96615910561 + 96615910561 = 310831^2 + 310831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=310831.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 466247 + ... + 777077.

Almost surely, 2^193231821122 is an apocalyptic number.

193231821122 is a deficient number, since it is larger than the sum of its proper divisors (96616843057).

193231821122 is an frugal number, since it uses more digits than its factorization.

193231821122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621664 (or 310833 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The spelling of 193231821122 in words is "one hundred ninety-three billion, two hundred thirty-one million, eight hundred twenty-one thousand, one hundred twenty-two".