1133012131211 has 4 divisors (see below), whose sum is σ = 1148970048624. Its totient is φ = 1117054213800.

The previous prime is 1133012131177. The next prime is 1133012131219. The reversal of 1133012131211 is 1121312103311.

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

It is a cyclic number.

It is not a de Polignac number, because 1133012131211 - 2²⁶ = 1132945022347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133012131219) 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, 7978958600 + ... + 7978958741.

It is an arithmetic number, because the mean of its divisors is an integer number (287242512156).

Almost surely, 2^{1133012131211} is an apocalyptic number.

1133012131211 is a deficient number, since it is larger than the sum of its proper divisors (15957917413).

1133012131211 is an equidigital number, since it uses as much as digits as its factorization.

1133012131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15957917412.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1133012131211 its reverse (1121312103311), we get a palindrome (2254324234522).

The spelling of 1133012131211 in words is "one trillion, one hundred thirty-three billion, twelve million, one hundred thirty-one thousand, two hundred eleven".