122021221022 has 16 divisors (see below), whose sum is σ = 189869400000. Its totient is φ = 58769093760.

The previous prime is 122021221009. The next prime is 122021221081. The reversal of 122021221022 is 220122120221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9411647 + ... + 9424602.

It is an arithmetic number, because the mean of its divisors is an integer number (11866837500).

Almost surely, 2^122021221022 is an apocalyptic number.

122021221022 is a deficient number, since it is larger than the sum of its proper divisors (67848178978).

122021221022 is a wasteful number, since it uses less digits than its factorization.

122021221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18836371.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122021221022 its reverse (220122120221), we get a palindrome (342143341243).

The spelling of 122021221022 in words is "one hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, twenty-two".