1111222220013 has 16 divisors (see below), whose sum is σ = 1654611773760. Its totient is φ = 737054328528.

The previous prime is 1111222220011. The next prime is 1111222220027. The reversal of 1111222220013 is 3100222221111.

It is not a de Polignac number, because 1111222220013 - 2¹ = 1111222220011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111222220011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104452495 + ... + 104463132.

It is an arithmetic number, because the mean of its divisors is an integer number (103413235860).

Almost surely, 2^{1111222220013} is an apocalyptic number.

It is an amenable number.

1111222220013 is a deficient number, since it is larger than the sum of its proper divisors (543389553747).

1111222220013 is a wasteful number, since it uses less digits than its factorization.

1111222220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208915833 (or 208915827 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1111222220013 its reverse (3100222221111), we get a palindrome (4211444441124).

The spelling of 1111222220013 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, thirteen".