121010200222120 has 64 divisors (see below), whose sum is σ = 303932595954240. Its totient is φ = 42980367091200.

The previous prime is 121010200222117. The next prime is 121010200222133. The reversal of 121010200222120 is 21222002010121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121010200222094 and 121010200222103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3197925061 + ... + 3197962900.

It is an arithmetic number, because the mean of its divisors is an integer number (4748946811785).

Almost surely, 2^{121010200222120} is an apocalyptic number.

121010200222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010200222120 is an abundant number, since it is smaller than the sum of its proper divisors (182922395732120).

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

121010200222120 is a wasteful number, since it uses less digits than its factorization.

121010200222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395888026 (or 6395888022 counting only the distinct ones).

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

Adding to 121010200222120 its reverse (21222002010121), we get a palindrome (142232202232241).

The spelling of 121010200222120 in words is "one hundred twenty-one trillion, ten billion, two hundred million, two hundred twenty-two thousand, one hundred twenty".