200021211010101 has 64 divisors (see below), whose sum is σ = 293290731417600. Its totient is φ = 120513491414784.

The previous prime is 200021211010079. The next prime is 200021211010141. The reversal of 200021211010101 is 101010112120002.

It is not a de Polignac number, because 200021211010101 - 2⁵ = 200021211010069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021211010141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222026395 + ... + 222925463.

It is an arithmetic number, because the mean of its divisors is an integer number (4582667678400).

Almost surely, 2^{200021211010101} is an apocalyptic number.

It is an amenable number.

200021211010101 is a deficient number, since it is larger than the sum of its proper divisors (93269520407499).

200021211010101 is a wasteful number, since it uses less digits than its factorization.

200021211010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899770.

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

Adding to 200021211010101 its reverse (101010112120002), we get a palindrome (301031323130103).

The spelling of 200021211010101 in words is "two hundred trillion, twenty-one billion, two hundred eleven million, ten thousand, one hundred one".