213112231222133 has 16 divisors (see below), whose sum is σ = 225194331648000. Its totient is φ = 201264859738800.

The previous prime is 213112231222069. The next prime is 213112231222157. The reversal of 213112231222133 is 331222132211312.

It is not a de Polignac number, because 213112231222133 - 2⁶ = 213112231222069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213112231222096 and 213112231222105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112231222733) 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, 403471658 + ... + 403999508.

It is an arithmetic number, because the mean of its divisors is an integer number (14074645728000).

Almost surely, 2^{213112231222133} is an apocalyptic number.

213112231222133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

213112231222133 is a deficient number, since it is larger than the sum of its proper divisors (12082100425867).

213112231222133 is a wasteful number, since it uses less digits than its factorization.

213112231222133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750152.

The product of its digits is 5184, while the sum is 29.

Adding to 213112231222133 its reverse (331222132211312), we get a palindrome (544334363433445).

The spelling of 213112231222133 in words is "two hundred thirteen trillion, one hundred twelve billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred thirty-three".