121019122 has 12 divisors (see below), whose sum is σ = 211166190. Its totient is φ = 51865296.

The previous prime is 121019111. The next prime is 121019147. The reversal of 121019122 is 221910121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 69739201 + 51279921 = 8351^2 + 7161^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121019122.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617347 + ... + 617542.

Almost surely, 2^121019122 is an apocalyptic number.

121019122 is a deficient number, since it is larger than the sum of its proper divisors (90147068).

121019122 is a wasteful number, since it uses less digits than its factorization.

121019122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234905 (or 1234898 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 121019122 is about 11000.8691474810. The cubic root of 121019122 is about 494.6347977966.

Adding to 121019122 its reverse (221910121), we get a palindrome (342929243).

The spelling of 121019122 in words is "one hundred twenty-one million, nineteen thousand, one hundred twenty-two".