122001010220 has 48 divisors (see below), whose sum is σ = 257644110528. Its totient is φ = 48526452480.

The previous prime is 122001010217. The next prime is 122001010253. The reversal of 122001010220 is 22010100221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2764730 + ... + 2808510.

It is an arithmetic number, because the mean of its divisors is an integer number (5367585636).

Almost surely, 2^122001010220 is an apocalyptic number.

122001010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001010220 is an abundant number, since it is smaller than the sum of its proper divisors (135643100308).

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

122001010220 is a wasteful number, since it uses less digits than its factorization.

122001010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44570 (or 44568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122001010220 its reverse (22010100221), we get a palindrome (144011110441).

Subtracting from 122001010220 its reverse (22010100221), we obtain a palindrome (99990909999).

The spelling of 122001010220 in words is "one hundred twenty-two billion, one million, ten thousand, two hundred twenty".