2210120220001 has 4 divisors (see below), whose sum is σ = 2286331262100. Its totient is φ = 2133909177904.

The previous prime is 2210120219999. The next prime is 2210120220071. The reversal of 2210120220001 is 1000220210122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 967909662976 + 1242210557025 = 983824^2 + 1114545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210120220001 - 2¹ = 2210120219999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210120220071) 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, 38105521006 + ... + 38105521063.

It is an arithmetic number, because the mean of its divisors is an integer number (571582815525).

Almost surely, 2^{2210120220001} is an apocalyptic number.

It is an amenable number.

2210120220001 is a deficient number, since it is larger than the sum of its proper divisors (76211042099).

2210120220001 is an equidigital number, since it uses as much as digits as its factorization.

2210120220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76211042098.

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

Adding to 2210120220001 its reverse (1000220210122), we get a palindrome (3210340430123).

The spelling of 2210120220001 in words is "two trillion, two hundred ten billion, one hundred twenty million, two hundred twenty thousand, one".