33021122122 has 4 divisors (see below), whose sum is σ = 49531683186. Its totient is φ = 16510561060.

The previous prime is 33021122093. The next prime is 33021122153. The reversal of 33021122122 is 22122112033.

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., 27044131401 + 5976990721 = 164451^2 + 77311^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 33021122122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8255280529 + ... + 8255280532.

Almost surely, 2^33021122122 is an apocalyptic number.

33021122122 is a deficient number, since it is larger than the sum of its proper divisors (16510561064).

33021122122 is a wasteful number, since it uses less digits than its factorization.

33021122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16510561063.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 33021122122 its reverse (22122112033), we get a palindrome (55143234155).

The spelling of 33021122122 in words is "thirty-three billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".