1110312130221 has 18 divisors (see below), whose sum is σ = 1865626505262. Its totient is φ = 634464074160.

The previous prime is 1110312130219. The next prime is 1110312130247. The reversal of 1110312130221 is 1220312130111.

1110312130221 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 312 + 130 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 617348061225 + 492964068996 = 785715^2 + 702114^2 .

It is not a de Polignac number, because 1110312130221 - 2¹ = 1110312130219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110312130194 and 1110312130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110312130211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1258856850 + ... + 1258857731.

It is an arithmetic number, because the mean of its divisors is an integer number (103645916959).

Almost surely, 2^{1110312130221} is an apocalyptic number.

It is an amenable number.

1110312130221 is a deficient number, since it is larger than the sum of its proper divisors (755314375041).

1110312130221 is a wasteful number, since it uses less digits than its factorization.

1110312130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517714601 (or 2517714591 counting only the distinct ones).

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

Adding to 1110312130221 its reverse (1220312130111), we get a palindrome (2330624260332).

The spelling of 1110312130221 in words is "one trillion, one hundred ten billion, three hundred twelve million, one hundred thirty thousand, two hundred twenty-one".