1133251322421 has 16 divisors (see below), whose sum is σ = 1577272982400. Its totient is φ = 722389250880.

The previous prime is 1133251322389. The next prime is 1133251322479. The reversal of 1133251322421 is 1242231523311.

It is not a de Polignac number, because 1133251322421 - 2⁵ = 1133251322389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133251322821) 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, 2806846 + ... + 3185103.

It is an arithmetic number, because the mean of its divisors is an integer number (98579561400).

Almost surely, 2^{1133251322421} is an apocalyptic number.

It is an amenable number.

1133251322421 is a deficient number, since it is larger than the sum of its proper divisors (444021659979).

1133251322421 is a wasteful number, since it uses less digits than its factorization.

1133251322421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994716.

The product of its digits is 8640, while the sum is 30.

Adding to 1133251322421 its reverse (1242231523311), we get a palindrome (2375482845732).

The spelling of 1133251322421 in words is "one trillion, one hundred thirty-three billion, two hundred fifty-one million, three hundred twenty-two thousand, four hundred twenty-one".