200121220112002 has 64 divisors (see below), whose sum is σ = 354456716140800. Its totient is φ = 84691586835072.

The previous prime is 200121220111931. The next prime is 200121220112017. The reversal of 200121220112002 is 200211022121002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116037718 + ... + 117749710.

It is an arithmetic number, because the mean of its divisors is an integer number (5538386189700).

Almost surely, 2^{200121220112002} is an apocalyptic number.

200121220112002 is a deficient number, since it is larger than the sum of its proper divisors (154335496028798).

200121220112002 is a wasteful number, since it uses less digits than its factorization.

200121220112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714152 (or 1714138 counting only the distinct ones).

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

Adding to 200121220112002 its reverse (200211022121002), we get a palindrome (400332242233004).

The spelling of 200121220112002 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twelve thousand, two".