11020012113131 has 8 divisors (see below), whose sum is σ = 12595898085120. Its totient is φ = 9444525772968.

The previous prime is 11020012113119. The next prime is 11020012113137. The reversal of 11020012113131 is 13131121002011.

11020012113131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020012113131 is a prime.

It is a super-2 number, since 2×11020012113131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11020012113137) 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, 99848861 + ... + 99959166.

It is an arithmetic number, because the mean of its divisors is an integer number (1574487260640).

Almost surely, 2^{11020012113131} is an apocalyptic number.

11020012113131 is a deficient number, since it is larger than the sum of its proper divisors (1575885971989).

11020012113131 is an equidigital number, since it uses as much as digits as its factorization.

11020012113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199815913.

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

Adding to 11020012113131 its reverse (13131121002011), we get a palindrome (24151133115142).

The spelling of 11020012113131 in words is "eleven trillion, twenty billion, twelve million, one hundred thirteen thousand, one hundred thirty-one".