122101020200 has 48 divisors (see below), whose sum is σ = 283949874780. Its totient is φ = 48829224960.

The previous prime is 122101020191. The next prime is 122101020221. The reversal of 122101020200 is 2020101221.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10876804 + 122090143396 = 3298^2 + 349414^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834962 + ... + 970238.

Almost surely, 2^122101020200 is an apocalyptic number.

122101020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101020200 is an abundant number, since it is smaller than the sum of its proper divisors (161848854580).

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

122101020200 is a wasteful number, since it uses less digits than its factorization.

122101020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139806 (or 139797 counting only the distinct ones).

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

Adding to 122101020200 its reverse (2020101221), we get a palindrome (124121121421).

The spelling of 122101020200 in words is "one hundred twenty-two billion, one hundred one million, twenty thousand, two hundred".