200121101210010 has 64 divisors (see below), whose sum is σ = 483794929376640. Its totient is φ = 52976339539200.

The previous prime is 200121101209943. The next prime is 200121101210029. The reversal of 200121101210010 is 10012101121002.

It is a super-2 number, since 2×200121101210010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38863644 + ... + 43710696.

It is an arithmetic number, because the mean of its divisors is an integer number (7559295771510).

Almost surely, 2^{200121101210010} is an apocalyptic number.

200121101210010 is an abundant number, since it is smaller than the sum of its proper divisors (283673828166630).

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

200121101210010 is a wasteful number, since it uses less digits than its factorization.

200121101210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857103.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 200121101210010 its reverse (10012101121002), we get a palindrome (210133202331012).

The spelling of 200121101210010 in words is "two hundred trillion, one hundred twenty-one billion, one hundred one million, two hundred ten thousand, ten".