200121101202010 has 16 divisors (see below), whose sum is σ = 360220110532200. Its totient is φ = 80047967510016.

The previous prime is 200121101201999. The next prime is 200121101202013. The reversal of 200121101202010 is 10202101121002.

It can be written as a sum of positive squares in 4 ways, for example, as 199068706307241 + 1052394894769 = 14109171^2 + 1025863^2 .

It is not an unprimeable number, because it can be changed into a prime (200121101202013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57341715 + ... + 60731494.

Almost surely, 2^{200121101202010} is an apocalyptic number.

200121101202010 is a deficient number, since it is larger than the sum of its proper divisors (160099009330190).

200121101202010 is a wasteful number, since it uses less digits than its factorization.

200121101202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118242705.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200121101202010 its reverse (10202101121002), we get a palindrome (210323202323012).

The spelling of 200121101202010 in words is "two hundred trillion, one hundred twenty-one billion, one hundred one million, two hundred two thousand, ten".