122002210100 has 72 divisors (see below), whose sum is σ = 271471791360. Its totient is φ = 47565665280.

The previous prime is 122002210087. The next prime is 122002210139. The reversal of 122002210100 is 1012200221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2030084 + ... + 2089316.

Almost surely, 2^122002210100 is an apocalyptic number.

122002210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122002210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135735895680).

122002210100 is an abundant number, since it is smaller than the sum of its proper divisors (149469581260).

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

122002210100 is a wasteful number, since it uses less digits than its factorization.

122002210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59769 (or 59762 counting only the distinct ones).

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

Adding to 122002210100 its reverse (1012200221), we get a palindrome (123014410321).

The spelling of 122002210100 in words is "one hundred twenty-two billion, two million, two hundred ten thousand, one hundred".