10012201012221 has 4 divisors (see below), whose sum is σ = 13349601349632. Its totient is φ = 6674800674812.

The previous prime is 10012201012159. The next prime is 10012201012237. The reversal of 10012201012221 is 12221010221001.

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 10012201012221 - 2¹¹ = 10012201010173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10012201012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012201012241) 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, 1668700168701 + ... + 1668700168706.

It is an arithmetic number, because the mean of its divisors is an integer number (3337400337408).

Almost surely, 2^{10012201012221} is an apocalyptic number.

It is an amenable number.

10012201012221 is a deficient number, since it is larger than the sum of its proper divisors (3337400337411).

10012201012221 is an equidigital number, since it uses as much as digits as its factorization.

10012201012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337400337410.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10012201012221 its reverse (12221010221001), we get a palindrome (22233211233222).

The spelling of 10012201012221 in words is "ten trillion, twelve billion, two hundred one million, twelve thousand, two hundred twenty-one".