200121111331010 has 8 divisors (see below), whose sum is σ = 360218000395836. Its totient is φ = 80048444532400.

The previous prime is 200121111330971. The next prime is 200121111331069. The reversal of 200121111331010 is 10133111121002.

It can be written as a sum of positive squares in 2 ways, for example, as 195100191101929 + 5020920229081 = 13967827^2 + 2240741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 200121111331010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10006055566541 + ... + 10006055566560.

Almost surely, 2^{200121111331010} is an apocalyptic number.

200121111331010 is a deficient number, since it is larger than the sum of its proper divisors (160096889064826).

200121111331010 is a wasteful number, since it uses less digits than its factorization.

200121111331010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20012111133108.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 200121111331010 its reverse (10133111121002), we get a palindrome (210254222452012).

The spelling of 200121111331010 in words is "two hundred trillion, one hundred twenty-one billion, one hundred eleven million, three hundred thirty-one thousand, ten".