11122340231 has 8 divisors (see below), whose sum is σ = 11397939504. Its totient is φ = 10846946880.

The previous prime is 11122340227. The next prime is 11122340233. The reversal of 11122340231 is 13204322111.

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

It is not a de Polignac number, because 11122340231 - 2² = 11122340227 is a prime.

It is a super-2 number, since 2×11122340231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122340233) 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, 60881 + ... + 161093.

It is an arithmetic number, because the mean of its divisors is an integer number (1424742438).

Almost surely, 2^11122340231 is an apocalyptic number.

11122340231 is a deficient number, since it is larger than the sum of its proper divisors (275599273).

11122340231 is a wasteful number, since it uses less digits than its factorization.

11122340231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102961.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11122340231 its reverse (13204322111), we get a palindrome (24326662342).

The spelling of 11122340231 in words is "eleven billion, one hundred twenty-two million, three hundred forty thousand, two hundred thirty-one".