11111121000122 has 32 divisors (see below), whose sum is σ = 19742258862144. Its totient is φ = 4662008796720.

The previous prime is 11111121000121. The next prime is 11111121000149. The reversal of 11111121000122 is 22100012111111.

It is a super-2 number, since 2×11111121000122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11111121000097 and 11111121000106.

It is not an unprimeable number, because it can be changed into a prime (11111121000121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160502888 + ... + 160572099.

It is an arithmetic number, because the mean of its divisors is an integer number (616945589442).

Almost surely, 2^{11111121000122} is an apocalyptic number.

11111121000122 is a deficient number, since it is larger than the sum of its proper divisors (8631137862022).

11111121000122 is a wasteful number, since it uses less digits than its factorization.

11111121000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321075035 (or 321075013 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11111121000122 its reverse (22100012111111), we get a palindrome (33211133111233).

The spelling of 11111121000122 in words is "eleven trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.