11020131320111 has 4 divisors (see below), whose sum is σ = 11020253561712. Its totient is φ = 11020009078512.

The previous prime is 11020131320071. The next prime is 11020131320117. The reversal of 11020131320111 is 11102313102011.

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

It is a cyclic number.

It is not a de Polignac number, because 11020131320111 - 2⁴² = 6622084809007 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 11020131320111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020131320117) 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, 60985475 + ... + 61165908.

It is an arithmetic number, because the mean of its divisors is an integer number (2755063390428).

Almost surely, 2^{11020131320111} is an apocalyptic number.

11020131320111 is a deficient number, since it is larger than the sum of its proper divisors (122241601).

11020131320111 is an equidigital number, since it uses as much as digits as its factorization.

11020131320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122241600.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11020131320111 its reverse (11102313102011), we get a palindrome (22122444422122).

The spelling of 11020131320111 in words is "eleven trillion, twenty billion, one hundred thirty-one million, three hundred twenty thousand, one hundred eleven".