120100121100200 has 24 divisors (see below), whose sum is σ = 279232781558430. Its totient is φ = 48040048440000.

The previous prime is 120100121100131. The next prime is 120100121100247. The reversal of 120100121100200 is 2001121001021.

It can be written as a sum of positive squares in 3 ways, for example, as 85794758402116 + 34305362698084 = 9262546^2 + 5857078^2 .

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, 300250302551 + ... + 300250302950.

Almost surely, 2^{120100121100200} is an apocalyptic number.

120100121100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100121100200 is an abundant number, since it is smaller than the sum of its proper divisors (159132660458230).

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

120100121100200 is a wasteful number, since it uses less digits than its factorization.

120100121100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600500605517 (or 600500605508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120100121100200 its reverse (2001121001021), we get a palindrome (122101242101221).

The spelling of 120100121100200 in words is "one hundred twenty trillion, one hundred billion, one hundred twenty-one million, one hundred thousand, two hundred".