1130021111231 has 4 divisors (see below), whose sum is σ = 1130030719200. Its totient is φ = 1130011503264.

The previous prime is 1130021111227. The next prime is 1130021111267. The reversal of 1130021111231 is 1321111200311.

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 1130021111231 - 2² = 1130021111227 is a prime.

It is a super-2 number, since 2×1130021111231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130021111201) 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, 4625351 + ... + 4863528.

It is an arithmetic number, because the mean of its divisors is an integer number (282507679800).

Almost surely, 2^{1130021111231} is an apocalyptic number.

1130021111231 is a deficient number, since it is larger than the sum of its proper divisors (9607969).

1130021111231 is an equidigital number, since it uses as much as digits as its factorization.

1130021111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9607968.

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

Adding to 1130021111231 its reverse (1321111200311), we get a palindrome (2451132311542).

The spelling of 1130021111231 in words is "one trillion, one hundred thirty billion, twenty-one million, one hundred eleven thousand, two hundred thirty-one".