200121000002 has 48 divisors (see below), whose sum is σ = 390090617280. Its totient is φ = 75280608480.

The previous prime is 200120999963. The next prime is 200121000011. The reversal of 200121000002 is 200000121002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1987688 + ... + 2085939.

It is an arithmetic number, because the mean of its divisors is an integer number (8126887860).

Almost surely, 2^200121000002 is an apocalyptic number.

200121000002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200121000002 is a deficient number, since it is larger than the sum of its proper divisors (189969617278).

200121000002 is a wasteful number, since it uses less digits than its factorization.

200121000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073687 (or 4073676 counting only the distinct ones).

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

Adding to 200121000002 its reverse (200000121002), we get a palindrome (400121121004).

The spelling of 200121000002 in words is "two hundred billion, one hundred twenty-one million, two", and thus it is an aban number.