200111101121010 has 64 divisors (see below), whose sum is σ = 484562611666944. Its totient is φ = 52887692318400.

The previous prime is 200111101121003. The next prime is 200111101121011. The reversal of 200111101121010 is 10121101111002.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200111101121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62881494 + ... + 65987153.

It is an arithmetic number, because the mean of its divisors is an integer number (7571290807296).

Almost surely, 2^{200111101121010} is an apocalyptic number.

200111101121010 is an abundant number, since it is smaller than the sum of its proper divisors (284451510545934).

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

200111101121010 is a wasteful number, since it uses less digits than its factorization.

200111101121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128869119.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 200111101121010 its reverse (10121101111002), we get a palindrome (210232202232012).

The spelling of 200111101121010 in words is "two hundred trillion, one hundred eleven billion, one hundred one million, one hundred twenty-one thousand, ten".