11102222231 has 8 divisors (see below), whose sum is σ = 11461705728. Its totient is φ = 10742823000.

The previous prime is 11102222191. The next prime is 11102222251. The reversal of 11102222231 is 13222220111.

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-11102222231 is a prime.

It is a super-2 number, since 2×11102222231² (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 (11102222251) 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, 351626 + ... + 381896.

It is an arithmetic number, because the mean of its divisors is an integer number (1432713216).

Almost surely, 2^11102222231 is an apocalyptic number.

11102222231 is a deficient number, since it is larger than the sum of its proper divisors (359483497).

11102222231 is a wasteful number, since it uses less digits than its factorization.

11102222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42133.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11102222231 its reverse (13222220111), we get a palindrome (24324442342).

The spelling of 11102222231 in words is "eleven billion, one hundred two million, two hundred twenty-two thousand, two hundred thirty-one".