1111100221013 has 4 divisors (see below), whose sum is σ = 1112603740320. Its totient is φ = 1109596701708.

The previous prime is 1111100221009. The next prime is 1111100221051. The reversal of 1111100221013 is 3101220011111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111100221013 - 2² = 1111100221009 is a prime.

It is a super-2 number, since 2×1111100221013² (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 (1111100221073) 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, 751758545 + ... + 751760022.

It is an arithmetic number, because the mean of its divisors is an integer number (278150935080).

Almost surely, 2^{1111100221013} is an apocalyptic number.

It is an amenable number.

1111100221013 is a deficient number, since it is larger than the sum of its proper divisors (1503519307).

1111100221013 is an equidigital number, since it uses as much as digits as its factorization.

1111100221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503519306.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1111100221013 its reverse (3101220011111), we get a palindrome (4212320232124).

The spelling of 1111100221013 in words is "one trillion, one hundred eleven billion, one hundred million, two hundred twenty-one thousand, thirteen".