1233311113121 has 8 divisors (see below), whose sum is σ = 1234091447400. Its totient is φ = 1232530992000.

The previous prime is 1233311113081. The next prime is 1233311113169. The reversal of 1233311113121 is 1213111133321.

It can be written as a sum of positive squares in 4 ways, for example, as 17663739025 + 1215647374096 = 132905^2 + 1102564^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233311113121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233311113421) 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, 12432365 + ... + 12531173.

It is an arithmetic number, because the mean of its divisors is an integer number (154261430925).

Almost surely, 2^{1233311113121} is an apocalyptic number.

It is an amenable number.

1233311113121 is a deficient number, since it is larger than the sum of its proper divisors (780334279).

1233311113121 is an equidigital number, since it uses as much as digits as its factorization.

1233311113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106579.

The product of its digits is 324, while the sum is 23.

Adding to 1233311113121 its reverse (1213111133321), we get a palindrome (2446422246442).

The spelling of 1233311113121 in words is "one trillion, two hundred thirty-three billion, three hundred eleven million, one hundred thirteen thousand, one hundred twenty-one".