1233213113311 has 8 divisors (see below), whose sum is σ = 1248135945840. Its totient is φ = 1218291824832.

The previous prime is 1233213113299. The next prime is 1233213113359. The reversal of 1233213113311 is 1133113123321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1233213113311 - 2²¹ = 1233211016159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233213111311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263405 + ... + 2015593.

It is an arithmetic number, because the mean of its divisors is an integer number (156016993230).

Almost surely, 2^{1233213113311} is an apocalyptic number.

1233213113311 is a deficient number, since it is larger than the sum of its proper divisors (14922832529).

1233213113311 is an equidigital number, since it uses as much as digits as its factorization.

1233213113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772025.

The product of its digits is 972, while the sum is 25.

Adding to 1233213113311 its reverse (1133113123321), we get a palindrome (2366326236632).

The spelling of 1233213113311 in words is "one trillion, two hundred thirty-three billion, two hundred thirteen million, one hundred thirteen thousand, three hundred eleven".