11011222113 has 8 divisors (see below), whose sum is σ = 15039718176. Its totient is φ = 7161770400.

The previous prime is 11011222109. The next prime is 11011222121. The reversal of 11011222113 is 31122211011.

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

It is not a de Polignac number, because 11011222113 - 2² = 11011222109 is a prime.

It is a super-3 number, since 3×11011222113³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011222092 and 11011222101.

It is not an unprimeable number, because it can be changed into a prime (11011222913) 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, 44760943 + ... + 44761188.

It is an arithmetic number, because the mean of its divisors is an integer number (1879964772).

Almost surely, 2^11011222113 is an apocalyptic number.

It is an amenable number.

11011222113 is a deficient number, since it is larger than the sum of its proper divisors (4028496063).

11011222113 is an equidigital number, since it uses as much as digits as its factorization.

11011222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89522175.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11011222113 its reverse (31122211011), we get a palindrome (42133433124).

The spelling of 11011222113 in words is "eleven billion, eleven million, two hundred twenty-two thousand, one hundred thirteen".