1223311011133 has 4 divisors (see below), whose sum is σ = 1230145151040. Its totient is φ = 1216476871228.

The previous prime is 1223311011127. The next prime is 1223311011269. The reversal of 1223311011133 is 3311101133221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1223311011133 - 2⁵ = 1223311011101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223311011113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3417069685 + ... + 3417070042.

It is an arithmetic number, because the mean of its divisors is an integer number (307536287760).

Almost surely, 2^{1223311011133} is an apocalyptic number.

It is an amenable number.

1223311011133 is a deficient number, since it is larger than the sum of its proper divisors (6834139907).

1223311011133 is an equidigital number, since it uses as much as digits as its factorization.

1223311011133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834139906.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1223311011133 its reverse (3311101133221), we get a palindrome (4534412144354).

The spelling of 1223311011133 in words is "one trillion, two hundred twenty-three billion, three hundred eleven million, eleven thousand, one hundred thirty-three".