2231112210 has 128 divisors (see below), whose sum is σ = 5671137024. Its totient is φ = 561116160.

The previous prime is 2231112209. The next prime is 2231112227. The reversal of 2231112210 is 122111322.

It is a super-3 number, since 3×2231112210³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2231112210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5619732 + ... + 5620128.

It is an arithmetic number, because the mean of its divisors is an integer number (44305758).

Almost surely, 2^2231112210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2835568512).

2231112210 is an abundant number, since it is smaller than the sum of its proper divisors (3440024814).

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

2231112210 is a wasteful number, since it uses less digits than its factorization.

2231112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

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

The square root of 2231112210 is about 47234.6505226830. The cubic root of 2231112210 is about 1306.6937213121.

Adding to 2231112210 its reverse (122111322), we get a palindrome (2353223532).

It can be divided in two parts, 2231112 and 210, that added together give a palindrome (2231322).

The spelling of 2231112210 in words is "two billion, two hundred thirty-one million, one hundred twelve thousand, two hundred ten".