2202210121 has 4 divisors (see below), whose sum is σ = 2222791632. Its totient is φ = 2181628612.

The previous prime is 2202210113. The next prime is 2202210133. The reversal of 2202210121 is 1210122022.

It is a happy number.

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 2202210121 - 2³ = 2202210113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202210421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10290595 + ... + 10290808.

It is an arithmetic number, because the mean of its divisors is an integer number (555697908).

Almost surely, 2^2202210121 is an apocalyptic number.

It is an amenable number.

2202210121 is a deficient number, since it is larger than the sum of its proper divisors (20581511).

2202210121 is a wasteful number, since it uses less digits than its factorization.

2202210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20581510.

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

The square root of 2202210121 is about 46927.7116531373. The cubic root of 2202210121 is about 1301.0268260094.

Adding to 2202210121 its reverse (1210122022), we get a palindrome (3412332143).

The spelling of 2202210121 in words is "two billion, two hundred two million, two hundred ten thousand, one hundred twenty-one".