2210001121 has 8 divisors (see below), whose sum is σ = 2217083400. Its totient is φ = 2202931200.

The previous prime is 2210001113. The next prime is 2210001127. The reversal of 2210001121 is 1211000122.

2210001121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 442639521 + 1767361600 = 21039^2 + 42040^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2210001121 - 2³ = 2210001113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210001098 and 2210001107.

It is not an unprimeable number, because it can be changed into a prime (2210001127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457921 + ... + 462721.

It is an arithmetic number, because the mean of its divisors is an integer number (277135425).

Almost surely, 2^2210001121 is an apocalyptic number.

It is an amenable number.

2210001121 is a deficient number, since it is larger than the sum of its proper divisors (7082279).

2210001121 is an equidigital number, since it uses as much as digits as its factorization.

2210001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2210001121 is about 47010.6490170046. The cubic root of 2210001121 is about 1302.5592819591.

Adding to 2210001121 its reverse (1211000122), we get a palindrome (3421001243).

Subtracting from 2210001121 its reverse (1211000122), we obtain a palindrome (999000999).

It can be divided in two parts, 2210001 and 121, that added together give a palindrome (2210122).

The spelling of 2210001121 in words is "two billion, two hundred ten million, one thousand, one hundred twenty-one".