121140004122 has 24 divisors (see below), whose sum is σ = 262729150164. Its totient is φ = 40340133504.

The previous prime is 121140004039. The next prime is 121140004151. The reversal of 121140004122 is 221400041121.

121140004122 is a `hidden beast` number, since 1 + 211 + 40 + 0 + 0 + 412 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 121139498601 + 505521 = 348051^2 + 711^2 .

It is a super-3 number, since 3×121140004122³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121140004095 and 121140004104.

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, 3303583 + ... + 3340050.

Almost surely, 2^121140004122 is an apocalyptic number.

121140004122 is an abundant number, since it is smaller than the sum of its proper divisors (141589146042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121140004122 is a wasteful number, since it uses less digits than its factorization.

121140004122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644654 (or 6644651 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121140004122 its reverse (221400041121), we get a palindrome (342540045243).

The spelling of 121140004122 in words is "one hundred twenty-one billion, one hundred forty million, four thousand, one hundred twenty-two".