11301222231 has 12 divisors (see below), whose sum is σ = 17579679208. Its totient is φ = 6954598224.

The previous prime is 11301222227. The next prime is 11301222241. The reversal of 11301222231 is 13222210311.

It is not a de Polignac number, because 11301222231 - 2² = 11301222227 is a prime.

It is a super-2 number, since 2×11301222231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301222241) 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, 48295705 + ... + 48295938.

Almost surely, 2^11301222231 is an apocalyptic number.

11301222231 is a deficient number, since it is larger than the sum of its proper divisors (6278456977).

11301222231 is a wasteful number, since it uses less digits than its factorization.

11301222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96591662 (or 96591659 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11301222231 its reverse (13222210311), we get a palindrome (24523432542).

The spelling of 11301222231 in words is "eleven billion, three hundred one million, two hundred twenty-two thousand, two hundred thirty-one".