2231020112 has 20 divisors (see below), whose sum is σ = 4471657620. Its totient is φ = 1077043968.

The previous prime is 2231020097. The next prime is 2231020139. The reversal of 2231020112 is 2110201322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1214940736 + 1016079376 = 34856^2 + 31876^2 .

It is a super-3 number, since 3×2231020112³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2403653 + ... + 2404580.

It is an arithmetic number, because the mean of its divisors is an integer number (223582881).

Almost surely, 2^2231020112 is an apocalyptic number.

It is an amenable number.

2231020112 is an abundant number, since it is smaller than the sum of its proper divisors (2240637508).

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

2231020112 is a wasteful number, since it uses less digits than its factorization.

2231020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808270 (or 4808264 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2231020112 is about 47233.6756139092. The cubic root of 2231020112 is about 1306.6757414104.

Adding to 2231020112 its reverse (2110201322), we get a palindrome (4341221434).

The spelling of 2231020112 in words is "two billion, two hundred thirty-one million, twenty thousand, one hundred twelve".