112121000122 has 4 divisors (see below), whose sum is σ = 168181500186. Its totient is φ = 56060500060.

The previous prime is 112121000083. The next prime is 112121000143. The reversal of 112121000122 is 221000121211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78360245041 + 33760755081 = 279929^2 + 183741^2 .

It is a super-2 number, since 2×112121000122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030250029 + ... + 28030250032.

Almost surely, 2^112121000122 is an apocalyptic number.

112121000122 is a deficient number, since it is larger than the sum of its proper divisors (56060500064).

112121000122 is an equidigital number, since it uses as much as digits as its factorization.

112121000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56060500063.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112121000122 its reverse (221000121211), we get a palindrome (333121121333).

The spelling of 112121000122 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.