200021145234110 has 16 divisors (see below), whose sum is σ = 360771336504432. Its totient is φ = 79845508075200.

The previous prime is 200021145234109. The next prime is 200021145234121. The reversal of 200021145234110 is 11432541120002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 200021145234110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20368747151 + ... + 20368756970.

It is an arithmetic number, because the mean of its divisors is an integer number (22548208531527).

Almost surely, 2^{200021145234110} is an apocalyptic number.

200021145234110 is a deficient number, since it is larger than the sum of its proper divisors (160750191270322).

200021145234110 is a wasteful number, since it uses less digits than its factorization.

200021145234110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40737504619.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 200021145234110 its reverse (11432541120002), we get a palindrome (211453686354112).

The spelling of 200021145234110 in words is "two hundred trillion, twenty-one billion, one hundred forty-five million, two hundred thirty-four thousand, one hundred ten".