111121002120122 has 8 divisors (see below), whose sum is σ = 166883052763296. Its totient is φ = 55493317865692.

The previous prime is 111121002120077. The next prime is 111121002120151. The reversal of 111121002120122 is 221021200121111.

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

It is a super-2 number, since 2×111121002120122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111121002120122.

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, 33591595118 + ... + 33591598425.

It is an arithmetic number, because the mean of its divisors is an integer number (20860381595412).

Almost surely, 2^{111121002120122} is an apocalyptic number.

111121002120122 is a deficient number, since it is larger than the sum of its proper divisors (55762050643174).

111121002120122 is an equidigital number, since it uses as much as digits as its factorization.

111121002120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67183194372.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111121002120122 its reverse (221021200121111), we get a palindrome (332142202241233).

The spelling of 111121002120122 in words is "one hundred eleven trillion, one hundred twenty-one billion, two million, one hundred twenty thousand, one hundred twenty-two".