200210220012121 has 16 divisors (see below), whose sum is σ = 220549795210368. Its totient is φ = 180227376691200.

The previous prime is 200210220012079. The next prime is 200210220012133. The reversal of 200210220012121 is 121210022012002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200210220012121 - 2⁴³ = 191414126989913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200210220012095 and 200210220012104.

It is not an unprimeable number, because it can be changed into a prime (200210220012151) 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, 6513055 + ... + 21043771.

It is an arithmetic number, because the mean of its divisors is an integer number (13784362200648).

Almost surely, 2^{200210220012121} is an apocalyptic number.

It is an amenable number.

200210220012121 is a deficient number, since it is larger than the sum of its proper divisors (20339575198247).

200210220012121 is a wasteful number, since it uses less digits than its factorization.

200210220012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542992.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200210220012121 its reverse (121210022012002), we get a palindrome (321420242024123).

The spelling of 200210220012121 in words is "two hundred trillion, two hundred ten billion, two hundred twenty million, twelve thousand, one hundred twenty-one".