200111000121002 has 16 divisors (see below), whose sum is σ = 300193697228040. Its totient is φ = 100046434808832.

The previous prime is 200111000120971. The next prime is 200111000121007. The reversal of 200111000121002 is 200121000111002.

It can be written as a sum of positive squares in 4 ways, for example, as 89226330348961 + 110884669772041 = 9445969^2 + 10530179^2 .

It is not an unprimeable number, because it can be changed into a prime (200111000121007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223292488 + ... + 1223456060.

Almost surely, 2^{200111000121002} is an apocalyptic number.

200111000121002 is a deficient number, since it is larger than the sum of its proper divisors (100082697107038).

200111000121002 is a wasteful number, since it uses less digits than its factorization.

200111000121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215257.

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

Adding to 200111000121002 its reverse (200121000111002), we get a palindrome (400232000232004).

It can be divided in two parts, 200111000 and 121002, that added together give a palindrome (200232002).

The spelling of 200111000121002 in words is "two hundred trillion, one hundred eleven billion, one hundred twenty-one thousand, two".