121000121112122 has 24 divisors (see below), whose sum is σ = 223552444650804. Its totient is φ = 48806771540352.

The previous prime is 121000121112077. The next prime is 121000121112151. The reversal of 121000121112122 is 221211121000121.

It can be written as a sum of positive squares in 2 ways, for example, as 118854279924961 + 2145841187161 = 10902031^2 + 1464869^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 121000121112122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36314560493 + ... + 36314563824.

Almost surely, 2^{121000121112122} is an apocalyptic number.

121000121112122 is a deficient number, since it is larger than the sum of its proper divisors (102552323538682).

121000121112122 is a wasteful number, since it uses less digits than its factorization.

121000121112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72629124350 (or 72629124343 counting only the distinct ones).

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

Adding to 121000121112122 its reverse (221211121000121), we get a palindrome (342211242112243).

The spelling of 121000121112122 in words is "one hundred twenty-one trillion, one hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".