121333122 has 24 divisors (see below), whose sum is σ = 263547180. Its totient is φ = 40343040.

The previous prime is 121333111. The next prime is 121333139. The reversal of 121333122 is 221333121.

It can be written as a sum of positive squares in 2 ways, for example, as 116834481 + 4498641 = 10809^2 + 2121^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121333095 and 121333104.

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, 879 + ... + 15602.

Almost surely, 2^121333122 is an apocalyptic number.

121333122 is an abundant number, since it is smaller than the sum of its proper divisors (142214058).

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

121333122 is a wasteful number, since it uses less digits than its factorization.

121333122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16898 (or 16895 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 121333122 is about 11015.1315017116. The cubic root of 121333122 is about 495.0622266430.

Adding to 121333122 its reverse (221333121), we get a palindrome (342666243).

Subtracting 121333122 from its reverse (221333121), we obtain a palindrome (99999999).

The spelling of 121333122 in words is "one hundred twenty-one million, three hundred thirty-three thousand, one hundred twenty-two".