11231331201 has 6 divisors (see below), whose sum is σ = 16223033970. Its totient is φ = 7487554128.

The previous prime is 11231331191. The next prime is 11231331211. The reversal of 11231331201 is 10213313211.

It is an interprime number because it is at equal distance from previous prime (11231331191) and next prime (11231331211).

It can be written as a sum of positive squares in only one way, i.e., 9078278400 + 2153052801 = 95280^2 + 46401^2 .

It is not a de Polignac number, because 11231331201 - 2⁹ = 11231330689 is a prime.

It is a super-2 number, since 2×11231331201² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231331211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623962836 + ... + 623962853.

It is an arithmetic number, because the mean of its divisors is an integer number (2703838995).

Almost surely, 2^11231331201 is an apocalyptic number.

It is an amenable number.

11231331201 is a deficient number, since it is larger than the sum of its proper divisors (4991702769).

11231331201 is a wasteful number, since it uses less digits than its factorization.

11231331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247925695 (or 1247925692 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11231331201 its reverse (10213313211), we get a palindrome (21444644412).

The spelling of 11231331201 in words is "eleven billion, two hundred thirty-one million, three hundred thirty-one thousand, two hundred one".