2201121210 has 32 divisors (see below), whose sum is σ = 5453102592. Its totient is φ = 568031040.

The previous prime is 2201121173. The next prime is 2201121259. The reversal of 2201121210 is 121211022.

It is a super-2 number, since 2×2201121210² = 9689869162223728200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182469 + ... + 1184328.

It is an arithmetic number, because the mean of its divisors is an integer number (170409456).

Almost surely, 2^2201121210 is an apocalyptic number.

2201121210 is an abundant number, since it is smaller than the sum of its proper divisors (3251981382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201121210 is a wasteful number, since it uses less digits than its factorization.

2201121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366838.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2201121210 is about 46916.1082145568. The cubic root of 2201121210 is about 1300.8123541969.

Adding to 2201121210 its reverse (121211022), we get a palindrome (2322332232).

The spelling of 2201121210 in words is "two billion, two hundred one million, one hundred twenty-one thousand, two hundred ten".