200021121021010 has 32 divisors (see below), whose sum is σ = 362487658374144. Its totient is φ = 79465390848000.

The previous prime is 200021121020953. The next prime is 200021121021013. The reversal of 200021121021010 is 10120121120002.

It is a super-2 number, since 2×200021121021010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200021121021013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80462976 + ... + 82911595.

It is an arithmetic number, because the mean of its divisors is an integer number (11327739324192).

Almost surely, 2^{200021121021010} is an apocalyptic number.

200021121021010 is a deficient number, since it is larger than the sum of its proper divisors (162466537353134).

200021121021010 is a wasteful number, since it uses less digits than its factorization.

200021121021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163375410.

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

Adding to 200021121021010 its reverse (10120121120002), we get a palindrome (210141242141012).

The spelling of 200021121021010 in words is "two hundred trillion, twenty-one billion, one hundred twenty-one million, twenty-one thousand, ten".