121023011220200 has 24 divisors (see below), whose sum is σ = 281378501087430. Its totient is φ = 48409204488000.

The previous prime is 121023011220151. The next prime is 121023011220257. The reversal of 121023011220200 is 2022110320121.

It can be written as a sum of positive squares in 3 ways, for example, as 79296139806244 + 41726871413956 = 8904838^2 + 6459634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302557527851 + ... + 302557528250.

Almost surely, 2^{121023011220200} is an apocalyptic number.

121023011220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121023011220200 is an abundant number, since it is smaller than the sum of its proper divisors (160355489867230).

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

121023011220200 is a wasteful number, since it uses less digits than its factorization.

121023011220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605115056117 (or 605115056108 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121023011220200 its reverse (2022110320121), we get a palindrome (123045121540321).

The spelling of 121023011220200 in words is "one hundred twenty-one trillion, twenty-three billion, eleven million, two hundred twenty thousand, two hundred".