2271161112 has 64 divisors (see below), whose sum is σ = 6199320960. Its totient is φ = 687648000.

The previous prime is 2271161111. The next prime is 2271161131. The reversal of 2271161112 is 2111611722.

2271161112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2271161112² = 10316345593322153088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271161111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388612 + ... + 394412.

It is an arithmetic number, because the mean of its divisors is an integer number (96864390).

Almost surely, 2^2271161112 is an apocalyptic number.

2271161112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2271161112 is an abundant number, since it is smaller than the sum of its proper divisors (3928159848).

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

2271161112 is a wasteful number, since it uses less digits than its factorization.

2271161112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304 (or 7300 counting only the distinct ones).

The product of its digits is 336, while the sum is 24.

The square root of 2271161112 is about 47656.7005991812. The cubic root of 2271161112 is about 1314.4658708704.

Adding to 2271161112 its reverse (2111611722), we get a palindrome (4382772834).

The spelling of 2271161112 in words is "two billion, two hundred seventy-one million, one hundred sixty-one thousand, one hundred twelve".