120121021102200 has 96 divisors (see below), whose sum is σ = 388565390044800. Its totient is φ = 30639564799360.

The previous prime is 120121021102183. The next prime is 120121021102219. The reversal of 120121021102200 is 2201120121021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120121021102200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4352197110 + ... + 4352224709.

It is an arithmetic number, because the mean of its divisors is an integer number (4047556146300).

Almost surely, 2^{120121021102200} is an apocalyptic number.

120121021102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121021102200 is an abundant number, since it is smaller than the sum of its proper divisors (268444368942600).

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

120121021102200 is a wasteful number, since it uses less digits than its factorization.

120121021102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704421861 (or 8704421852 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120121021102200 its reverse (2201120121021), we get a palindrome (122322141223221).

The spelling of 120121021102200 in words is "one hundred twenty trillion, one hundred twenty-one billion, twenty-one million, one hundred two thousand, two hundred".