1130231221211 has 8 divisors (see below), whose sum is σ = 1196859968640. Its totient is φ = 1063618535808.

The previous prime is 1130231221199. The next prime is 1130231221241. The reversal of 1130231221211 is 1121221320311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1130231221211 is a prime.

It is a super-2 number, since 2×1130231221211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130231221241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870476 + ... + 4152233.

It is an arithmetic number, because the mean of its divisors is an integer number (149607496080).

Almost surely, 2^{1130231221211} is an apocalyptic number.

1130231221211 is a deficient number, since it is larger than the sum of its proper divisors (66628747429).

1130231221211 is an equidigital number, since it uses as much as digits as its factorization.

1130231221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8031013.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1130231221211 its reverse (1121221320311), we get a palindrome (2251452541522).

The spelling of 1130231221211 in words is "one trillion, one hundred thirty billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred eleven".