1111202020013 has 8 divisors (see below), whose sum is σ = 1140080361336. Its totient is φ = 1082408243200.

The previous prime is 1111202020009. The next prime is 1111202020031. The reversal of 1111202020013 is 3100202021111.

It can be written as a sum of positive squares in 4 ways, for example, as 191141216809 + 920060803204 = 437197^2 + 959198^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111202020013 - 2² = 1111202020009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111202020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111202026013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21114506 + ... + 21167067.

It is an arithmetic number, because the mean of its divisors is an integer number (142510045167).

Almost surely, 2^{1111202020013} is an apocalyptic number.

It is an amenable number.

1111202020013 is a deficient number, since it is larger than the sum of its proper divisors (28878341323).

1111202020013 is an equidigital number, since it uses as much as digits as its factorization.

1111202020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42282255.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1111202020013 its reverse (3100202021111), we get a palindrome (4211404041124).

The spelling of 1111202020013 in words is "one trillion, one hundred eleven billion, two hundred two million, twenty thousand, thirteen".