121011120120200 has 24 divisors (see below), whose sum is σ = 281350854279930. Its totient is φ = 48404448048000.

The previous prime is 121011120120179. The next prime is 121011120120221. The reversal of 121011120120200 is 2021021110121.

121011120120200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121011120120179) and next prime (121011120120221).

It can be written as a sum of positive squares in 3 ways, for example, as 44691711854596 + 76319408265604 = 6685186^2 + 8736098^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302527800101 + ... + 302527800500.

Almost surely, 2^{121011120120200} is an apocalyptic number.

121011120120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121011120120200 is an abundant number, since it is smaller than the sum of its proper divisors (160339734159730).

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

121011120120200 is a wasteful number, since it uses less digits than its factorization.

121011120120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605055600617 (or 605055600608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121011120120200 its reverse (2021021110121), we get a palindrome (123032141230321).

The spelling of 121011120120200 in words is "one hundred twenty-one trillion, eleven billion, one hundred twenty million, one hundred twenty thousand, two hundred".