321112133133 has 16 divisors (see below), whose sum is σ = 483178132800. Its totient is φ = 187902606080.

The previous prime is 321112133107. The next prime is 321112133143. The reversal of 321112133133 is 331331211123.

It is a cyclic number.

It is not a de Polignac number, because 321112133133 - 2²⁵ = 321078578701 is a prime.

It is a super-2 number, since 2×321112133133² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321112133143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167769228 + ... + 167771141.

It is an arithmetic number, because the mean of its divisors is an integer number (30198633300).

Almost surely, 2^321112133133 is an apocalyptic number.

321112133133 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

321112133133 is a deficient number, since it is larger than the sum of its proper divisors (162065999667).

321112133133 is a wasteful number, since it uses less digits than its factorization.

321112133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335540412.

The product of its digits is 972, while the sum is 24.

Adding to 321112133133 its reverse (331331211123), we get a palindrome (652443344256).

The spelling of 321112133133 in words is "three hundred twenty-one billion, one hundred twelve million, one hundred thirty-three thousand, one hundred thirty-three".