11201100131 has 12 divisors (see below), whose sum is σ = 12842475912. Its totient is φ = 9731270016.

The previous prime is 11201100059. The next prime is 11201100149. The reversal of 11201100131 is 13100110211.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11201100131 is a prime.

It is a super-2 number, since 2×11201100131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201102131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1946501 + ... + 1952246.

It is an arithmetic number, because the mean of its divisors is an integer number (1070206326).

Almost surely, 2^11201100131 is an apocalyptic number.

11201100131 is a deficient number, since it is larger than the sum of its proper divisors (1641375781).

11201100131 is a wasteful number, since it uses less digits than its factorization.

11201100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898790 (or 3898777 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11201100131 its reverse (13100110211), we get a palindrome (24301210342).

The spelling of 11201100131 in words is "eleven billion, two hundred one million, one hundred thousand, one hundred thirty-one".