11102021403013 has 4 divisors (see below), whose sum is σ = 11226763216620. Its totient is φ = 10977279589408.

The previous prime is 11102021402999. The next prime is 11102021403019. The reversal of 11102021403013 is 31030412020111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5597657887969 + 5504363515044 = 2365937^2 + 2346138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102021403013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102021403019) 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, 62370906670 + ... + 62370906847.

It is an arithmetic number, because the mean of its divisors is an integer number (2806690804155).

Almost surely, 2^{11102021403013} is an apocalyptic number.

It is an amenable number.

11102021403013 is a deficient number, since it is larger than the sum of its proper divisors (124741813607).

11102021403013 is an equidigital number, since it uses as much as digits as its factorization.

11102021403013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124741813606.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11102021403013 its reverse (31030412020111), we get a palindrome (42132433423124).

The spelling of 11102021403013 in words is "eleven trillion, one hundred two billion, twenty-one million, four hundred three thousand, thirteen".