10200220012221 has 4 divisors (see below), whose sum is σ = 13600293349632. Its totient is φ = 6800146674812.

The previous prime is 10200220012127. The next prime is 10200220012277. The reversal of 10200220012221 is 12221002200201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10200220012221 - 2¹⁹ = 10200219487933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10200220012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200220012121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700036668701 + ... + 1700036668706.

It is an arithmetic number, because the mean of its divisors is an integer number (3400073337408).

Almost surely, 2^{10200220012221} is an apocalyptic number.

It is an amenable number.

10200220012221 is a deficient number, since it is larger than the sum of its proper divisors (3400073337411).

10200220012221 is an equidigital number, since it uses as much as digits as its factorization.

10200220012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400073337410.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10200220012221 its reverse (12221002200201), we get a palindrome (22421222212422).

The spelling of 10200220012221 in words is "ten trillion, two hundred billion, two hundred twenty million, twelve thousand, two hundred twenty-one".