122021022208 has 20 divisors (see below), whose sum is σ = 243803723130. Its totient is φ = 61010510848.

The previous prime is 122021022203. The next prime is 122021022209. The reversal of 122021022208 is 802220120221.

It can be written as a sum of positive squares in only one way, i.e., 106672785664 + 15348236544 = 326608^2 + 123888^2 .

It is not an unprimeable number, because it can be changed into a prime (122021022203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119160643 + ... + 119161666.

Almost surely, 2^122021022208 is an apocalyptic number.

It is an amenable number.

122021022208 is a deficient number, since it is larger than the sum of its proper divisors (121782700922).

122021022208 is an frugal number, since it uses more digits than its factorization.

122021022208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238322327 (or 238322311 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 122021022208 its reverse (802220120221), we get a palindrome (924241142429).

The spelling of 122021022208 in words is "one hundred twenty-two billion, twenty-one million, twenty-two thousand, two hundred eight".