1111020344013 has 24 divisors (see below), whose sum is σ = 1489542088608. Its totient is φ = 736609515456.

The previous prime is 1111020344009. The next prime is 1111020344029. The reversal of 1111020344013 is 3104430201111.

It is not a de Polignac number, because 1111020344013 - 2² = 1111020344009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111020344813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129590995 + ... + 129599567.

It is an arithmetic number, because the mean of its divisors is an integer number (62064253692).

Almost surely, 2^{1111020344013} is an apocalyptic number.

It is an amenable number.

1111020344013 is a deficient number, since it is larger than the sum of its proper divisors (378521744595).

1111020344013 is an frugal number, since it uses more digits than its factorization.

1111020344013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9693 (or 9416 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1111020344013 its reverse (3104430201111), we get a palindrome (4215450545124).

The spelling of 1111020344013 in words is "one trillion, one hundred eleven billion, twenty million, three hundred forty-four thousand, thirteen".