1131322132211 has 4 divisors (see below), whose sum is σ = 1134355167792. Its totient is φ = 1128289096632.

The previous prime is 1131322132207. The next prime is 1131322132219. The reversal of 1131322132211 is 1122312231311.

It is a happy number.

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 1131322132211 - 2² = 1131322132207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131322132219) 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, 1516517231 + ... + 1516517976.

It is an arithmetic number, because the mean of its divisors is an integer number (283588791948).

Almost surely, 2^{1131322132211} is an apocalyptic number.

1131322132211 is a deficient number, since it is larger than the sum of its proper divisors (3033035581).

1131322132211 is an equidigital number, since it uses as much as digits as its factorization.

1131322132211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033035580.

The product of its digits is 432, while the sum is 23.

Adding to 1131322132211 its reverse (1122312231311), we get a palindrome (2253634363522).

The spelling of 1131322132211 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-two million, one hundred thirty-two thousand, two hundred eleven".