1130011321221 has 12 divisors (see below), whose sum is σ = 1634901288748. Its totient is φ = 752111936064.

The previous prime is 1130011321189. The next prime is 1130011321237. The reversal of 1130011321221 is 1221231100311.

1130011321221 is a `hidden beast` number, since 11 + 300 + 1 + 132 + 1 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 509089385025 + 620921936196 = 713505^2 + 787986^2 .

It is not a de Polignac number, because 1130011321221 - 2⁵ = 1130011321189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130011321194 and 1130011321203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130011321321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102406240 + ... + 102417273.

Almost surely, 2^{1130011321221} is an apocalyptic number.

It is an amenable number.

1130011321221 is a deficient number, since it is larger than the sum of its proper divisors (504889967527).

1130011321221 is a wasteful number, since it uses less digits than its factorization.

1130011321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204824132 (or 204824129 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1130011321221 its reverse (1221231100311), we get a palindrome (2351242421532).

The spelling of 1130011321221 in words is "one trillion, one hundred thirty billion, eleven million, three hundred twenty-one thousand, two hundred twenty-one".