1133211133213 has 4 divisors (see below), whose sum is σ = 1148734573468. Its totient is φ = 1117687692960.

The previous prime is 1133211133147. The next prime is 1133211133247. The reversal of 1133211133213 is 3123311123311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506640733369 + 626570399844 = 711787^2 + 791562^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133211133213 - 2¹³ = 1133211125021 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 (1133211133013) 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, 7761720018 + ... + 7761720163.

It is an arithmetic number, because the mean of its divisors is an integer number (287183643367).

Almost surely, 2^{1133211133213} is an apocalyptic number.

It is an amenable number.

1133211133213 is a deficient number, since it is larger than the sum of its proper divisors (15523440255).

1133211133213 is an equidigital number, since it uses as much as digits as its factorization.

1133211133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15523440254.

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

Adding to 1133211133213 its reverse (3123311123311), we get a palindrome (4256522256524).

The spelling of 1133211133213 in words is "one trillion, one hundred thirty-three billion, two hundred eleven million, one hundred thirty-three thousand, two hundred thirteen".