200121120102002 has 24 divisors (see below), whose sum is σ = 330902633911248. Its totient is φ = 90702000951320.

The previous prime is 200121120101951. The next prime is 200121120102017. The reversal of 200121120102002 is 200201021121002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1191481988 + ... + 1191649935.

It is an arithmetic number, because the mean of its divisors is an integer number (13787609746302).

Almost surely, 2^{200121120102002} is an apocalyptic number.

200121120102002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200121120102002 is a deficient number, since it is larger than the sum of its proper divisors (130781513809246).

200121120102002 is a wasteful number, since it uses less digits than its factorization.

200121120102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383132294 (or 2383132283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200121120102002 its reverse (200201021121002), we get a palindrome (400322141223004).

The spelling of 200121120102002 in words is "two hundred trillion, one hundred twenty-one billion, one hundred twenty million, one hundred two thousand, two".