220002200121001 has 4 divisors (see below), whose sum is σ = 220009499736400. Its totient is φ = 219994900505604.

The previous prime is 220002200120999. The next prime is 220002200121103. The reversal of 220002200121001 is 100121002200022.

It is a happy number.

220002200121001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220002200121001 - 2¹ = 220002200120999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220002200121901) 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, 3649762491 + ... + 3649822768.

It is an arithmetic number, because the mean of its divisors is an integer number (55002374934100).

Almost surely, 2^{220002200121001} is an apocalyptic number.

It is an amenable number.

220002200121001 is a deficient number, since it is larger than the sum of its proper divisors (7299615399).

220002200121001 is an equidigital number, since it uses as much as digits as its factorization.

220002200121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7299615398.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220002200121001 its reverse (100121002200022), we get a palindrome (320123202321023).

The spelling of 220002200121001 in words is "two hundred twenty trillion, two billion, two hundred million, one hundred twenty-one thousand, one".