2210213121 has 8 divisors (see below), whose sum is σ = 2947804224. Its totient is φ = 1473048720.

The previous prime is 2210213119. The next prime is 2210213141. The reversal of 2210213121 is 1213120122.

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

It is not a de Polignac number, because 2210213121 - 2¹ = 2210213119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2210213121.

It is not an unprimeable number, because it can be changed into a prime (2210213141) 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, 94386 + ... + 115451.

It is an arithmetic number, because the mean of its divisors is an integer number (368475528).

Almost surely, 2^2210213121 is an apocalyptic number.

It is an amenable number.

2210213121 is a deficient number, since it is larger than the sum of its proper divisors (737591103).

2210213121 is a wasteful number, since it uses less digits than its factorization.

2210213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213351.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2210213121 is about 47012.9037711988. The cubic root of 2210213121 is about 1302.6009310690.

Adding to 2210213121 its reverse (1213120122), we get a palindrome (3423333243).

The spelling of 2210213121 in words is "two billion, two hundred ten million, two hundred thirteen thousand, one hundred twenty-one".