1131032011211 has 4 divisors (see below), whose sum is σ = 1131054846000. Its totient is φ = 1131009176424.

The previous prime is 1131032011199. The next prime is 1131032011253. The reversal of 1131032011211 is 1121102301311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131032011211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131032011211.

It is not an unprimeable number, because it can be changed into a prime (1131032011111) 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, 11342936 + ... + 11442213.

It is an arithmetic number, because the mean of its divisors is an integer number (282763711500).

Almost surely, 2^{1131032011211} is an apocalyptic number.

1131032011211 is a deficient number, since it is larger than the sum of its proper divisors (22834789).

1131032011211 is an equidigital number, since it uses as much as digits as its factorization.

1131032011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22834788.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1131032011211 its reverse (1121102301311), we get a palindrome (2252134312522).

The spelling of 1131032011211 in words is "one trillion, one hundred thirty-one billion, thirty-two million, eleven thousand, two hundred eleven".