11111000122 has 8 divisors (see below), whose sum is σ = 16853764500. Its totient is φ = 5493078624.

The previous prime is 11111000119. The next prime is 11111000213. The reversal of 11111000122 is 22100011111.

It can be written as a sum of positive squares in 2 ways, for example, as 10947646161 + 163353961 = 104631^2 + 12781^2 .

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

It is a super-2 number, since 2×11111000122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11111000099 and 11111000108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31210497 + ... + 31210852.

Almost surely, 2^11111000122 is an apocalyptic number.

11111000122 is a deficient number, since it is larger than the sum of its proper divisors (5742764378).

11111000122 is an equidigital number, since it uses as much as digits as its factorization.

11111000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62421440.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11111000122 its reverse (22100011111), we get a palindrome (33211011233).

The spelling of 11111000122 in words is "eleven billion, one hundred eleven million, one hundred twenty-two", and thus it is an aban number.