122201222100100 has 144 divisors (see below), whose sum is σ = 314620727109696. Its totient is φ = 40612466880000.

The previous prime is 122201222100079. The next prime is 122201222100143. The reversal of 122201222100100 is 1001222102221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40860354 + ... + 43748953.

It is an arithmetic number, because the mean of its divisors is an integer number (2184866160484).

Almost surely, 2^{122201222100100} is an apocalyptic number.

122201222100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201222100100 is an abundant number, since it is smaller than the sum of its proper divisors (192419505009596).

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

122201222100100 is a wasteful number, since it uses less digits than its factorization.

122201222100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84609446 (or 84609439 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122201222100100 its reverse (1001222102221), we get a palindrome (123202444202321).

The spelling of 122201222100100 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty-two million, one hundred thousand, one hundred".