10200022012221 has 4 divisors (see below), whose sum is σ = 13600029349632. Its totient is φ = 6800014674812.

The previous prime is 10200022012211. The next prime is 10200022012241. The reversal of 10200022012221 is 12221022000201.

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 10200022012221 - 2¹¹ = 10200022010173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10200022012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200022012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700003668701 + ... + 1700003668706.

It is an arithmetic number, because the mean of its divisors is an integer number (3400007337408).

Almost surely, 2^{10200022012221} is an apocalyptic number.

It is an amenable number.

10200022012221 is a deficient number, since it is larger than the sum of its proper divisors (3400007337411).

10200022012221 is an equidigital number, since it uses as much as digits as its factorization.

10200022012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400007337410.

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

Adding to 10200022012221 its reverse (12221022000201), we get a palindrome (22421044012422).

The spelling of 10200022012221 in words is "ten trillion, two hundred billion, twenty-two million, twelve thousand, two hundred twenty-one".