200121001202 has 8 divisors (see below), whose sum is σ = 300220373376. Its totient is φ = 100047543412.

The previous prime is 200121001193. The next prime is 200121001253. The reversal of 200121001202 is 202100121002.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6459278 + ... + 6490185.

It is an arithmetic number, because the mean of its divisors is an integer number (37527546672).

Almost surely, 2^200121001202 is an apocalyptic number.

200121001202 is a deficient number, since it is larger than the sum of its proper divisors (100099372174).

200121001202 is a wasteful number, since it uses less digits than its factorization.

200121001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12957192.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200121001202 its reverse (202100121002), we get a palindrome (402221122204).

The spelling of 200121001202 in words is "two hundred billion, one hundred twenty-one million, one thousand, two hundred two".