1110321221013 has 12 divisors (see below), whose sum is σ = 1647143193228. Its totient is φ = 720208359360.

The previous prime is 1110321220999. The next prime is 1110321221021. The reversal of 1110321221013 is 3101221230111.

1110321221013 is a `hidden beast` number, since 1 + 110 + 321 + 221 + 0 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 668924422884 + 441396798129 = 817878^2 + 664377^2 .

It is not a de Polignac number, because 1110321221013 - 2⁴ = 1110321220997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110321221063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1667148648 + ... + 1667149313.

It is an arithmetic number, because the mean of its divisors is an integer number (137261932769).

Almost surely, 2^{1110321221013} is an apocalyptic number.

It is an amenable number.

1110321221013 is a deficient number, since it is larger than the sum of its proper divisors (536821972215).

1110321221013 is a wasteful number, since it uses less digits than its factorization.

1110321221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334298004 (or 3334298001 counting only the distinct ones).

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

Adding to 1110321221013 its reverse (3101221230111), we get a palindrome (4211542451124).

It can be divided in two parts, 1110 and 321221013, that added together give a palindrome (321222123).

The spelling of 1110321221013 in words is "one trillion, one hundred ten billion, three hundred twenty-one million, two hundred twenty-one thousand, thirteen".