1131032220211 has 4 divisors (see below), whose sum is σ = 1131794886712. Its totient is φ = 1130269553712.

The previous prime is 1131032220209. The next prime is 1131032220217. The reversal of 1131032220211 is 1120222301311.

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 1131032220211 - 2¹ = 1131032220209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131032220217) 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, 381331026 + ... + 381333991.

It is an arithmetic number, because the mean of its divisors is an integer number (282948721678).

Almost surely, 2^{1131032220211} is an apocalyptic number.

1131032220211 is a deficient number, since it is larger than the sum of its proper divisors (762666501).

1131032220211 is an equidigital number, since it uses as much as digits as its factorization.

1131032220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762666500.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1131032220211 its reverse (1120222301311), we get a palindrome (2251254521522).

The spelling of 1131032220211 in words is "one trillion, one hundred thirty-one billion, thirty-two million, two hundred twenty thousand, two hundred eleven".