200121022002 has 16 divisors (see below), whose sum is σ = 436627684512. Its totient is φ = 60642733920.

The previous prime is 200121021941. The next prime is 200121022007. The reversal of 200121022002 is 200220121002.

It is not an unprimeable number, because it can be changed into a prime (200121022007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1516068283 + ... + 1516068414.

It is an arithmetic number, because the mean of its divisors is an integer number (27289230282).

Almost surely, 2^200121022002 is an apocalyptic number.

200121022002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200121022002 is an abundant number, since it is smaller than the sum of its proper divisors (236506662510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200121022002 is a wasteful number, since it uses less digits than its factorization.

200121022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032136713.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200121022002 its reverse (200220121002), we get a palindrome (400341143004).

The spelling of 200121022002 in words is "two hundred billion, one hundred twenty-one million, twenty-two thousand, two".