1233231112021 has 8 divisors (see below), whose sum is σ = 1250846181720. Its totient is φ = 1215635542272.

The previous prime is 1233231111971. The next prime is 1233231112033. The reversal of 1233231112021 is 1202111323321.

It can be written as a sum of positive squares in 4 ways, for example, as 540364659025 + 692866452996 = 735095^2 + 832386^2 .

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 1233231112021 - 2²⁵ = 1233197557589 is a prime.

It is a super-3 number, since 3×1233231112021³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233231111983 and 1233231112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233231112121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4747576 + ... + 5000593.

It is an arithmetic number, because the mean of its divisors is an integer number (156355772715).

Almost surely, 2^{1233231112021} is an apocalyptic number.

It is an amenable number.

1233231112021 is a deficient number, since it is larger than the sum of its proper divisors (17615069699).

1233231112021 is an equidigital number, since it uses as much as digits as its factorization.

1233231112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749975.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1233231112021 its reverse (1202111323321), we get a palindrome (2435342435342).

The spelling of 1233231112021 in words is "one trillion, two hundred thirty-three billion, two hundred thirty-one million, one hundred twelve thousand, twenty-one".