121002122202200 has 48 divisors (see below), whose sum is σ = 281331054125160. Its totient is φ = 48400656192000.

The previous prime is 121002122202161. The next prime is 121002122202209. The reversal of 121002122202200 is 2202221200121.

It is a happy number.

It is a super-2 number, since 2×121002122202200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002122202209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55914335 + ... + 58038065.

Almost surely, 2^{121002122202200} is an apocalyptic number.

121002122202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002122202200 is an abundant number, since it is smaller than the sum of its proper divisors (160328931922960).

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

121002122202200 is a wasteful number, since it uses less digits than its factorization.

121002122202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408628 (or 2408619 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121002122202200 its reverse (2202221200121), we get a palindrome (123204343402321).

The spelling of 121002122202200 in words is "one hundred twenty-one trillion, two billion, one hundred twenty-two million, two hundred two thousand, two hundred".