200121022011202 has 16 divisors (see below), whose sum is σ = 316391726411640. Its totient is φ = 94787315564032.

The previous prime is 200121022011103. The next prime is 200121022011203. The reversal of 200121022011202 is 202110220121002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 187865428372801 + 12255593638401 = 13706401^2 + 3500799^2 .

It is not an unprimeable number, because it can be changed into a prime (200121022011203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32550586063 + ... + 32550592210.

Almost surely, 2^{200121022011202} is an apocalyptic number.

200121022011202 is a deficient number, since it is larger than the sum of its proper divisors (116270704400438).

200121022011202 is a wasteful number, since it uses less digits than its factorization.

200121022011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65101178357.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200121022011202 its reverse (202110220121002), we get a palindrome (402231242132204).

The spelling of 200121022011202 in words is "two hundred trillion, one hundred twenty-one billion, twenty-two million, eleven thousand, two hundred two".