200021211010090 has 16 divisors (see below), whose sum is σ = 360039288042720. Its totient is φ = 80008238131920.

The previous prime is 200021211010079. The next prime is 200021211010141. The reversal of 200021211010090 is 90010112120002.

It is a happy number.

200021211010090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 27354600 + ... + 33886819.

It is an arithmetic number, because the mean of its divisors is an integer number (22502455502670).

Almost surely, 2^{200021211010090} is an apocalyptic number.

200021211010090 is a deficient number, since it is larger than the sum of its proper divisors (160018077032630).

200021211010090 is a wasteful number, since it uses less digits than its factorization.

200021211010090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61568037.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 200021211010090 its reverse (90010112120002), we get a palindrome (290031323130092).

The spelling of 200021211010090 in words is "two hundred trillion, twenty-one billion, two hundred eleven million, ten thousand, ninety".