104212111331 has 4 divisors (see below), whose sum is σ = 104212938912. Its totient is φ = 104211283752.

The previous prime is 104212111327. The next prime is 104212111343. The reversal of 104212111331 is 133111212401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133111212401 = 83 ⋅1603749547.

It is a cyclic number.

It is not a de Polignac number, because 104212111331 - 2² = 104212111327 is a prime.

It is a super-2 number, since 2×104212111331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104212111361) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 181400 + ... + 491253.

It is an arithmetic number, because the mean of its divisors is an integer number (26053234728).

Almost surely, 2^104212111331 is an apocalyptic number.

104212111331 is a deficient number, since it is larger than the sum of its proper divisors (827581).

104212111331 is an equidigital number, since it uses as much as digits as its factorization.

104212111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827580.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 104212111331 its reverse (133111212401), we get a palindrome (237323323732).

The spelling of 104212111331 in words is "one hundred four billion, two hundred twelve million, one hundred eleven thousand, three hundred thirty-one".