2231121112 has 16 divisors (see below), whose sum is σ = 4563657000. Its totient is φ = 1014145920.

The previous prime is 2231121107. The next prime is 2231121121. The reversal of 2231121112 is 2111211322.

It is a super-3 number, since 3×2231121112³ (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, 12676737 + ... + 12676912.

Almost surely, 2^2231121112 is an apocalyptic number.

2231121112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2231121112 is an abundant number, since it is smaller than the sum of its proper divisors (2332535888).

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

2231121112 is a wasteful number, since it uses less digits than its factorization.

2231121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25353666 (or 25353662 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 2231121112 is about 47234.7447542590. The cubic root of 2231121112 is about 1306.6954591855.

Adding to 2231121112 its reverse (2111211322), we get a palindrome (4342332434).

The spelling of 2231121112 in words is "two billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred twelve".