2211220112 has 20 divisors (see below), whose sum is σ = 4338472320. Its totient is φ = 1091614368.

The previous prime is 2211220097. The next prime is 2211220129. The reversal of 2211220112 is 2110221122.

It is a super-3 number, since 3×2211220112³ (a number of 29 digits) contains 333 as substring.

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, 873428 + ... + 875955.

It is an arithmetic number, because the mean of its divisors is an integer number (216923616).

Almost surely, 2^2211220112 is an apocalyptic number.

It is an amenable number.

2211220112 is a deficient number, since it is larger than the sum of its proper divisors (2127252208).

2211220112 is a wasteful number, since it uses less digits than its factorization.

2211220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749470 (or 1749464 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2211220112 is about 47023.6122814911. The cubic root of 2211220112 is about 1302.7987262113.

Adding to 2211220112 its reverse (2110221122), we get a palindrome (4321441234).

It can be divided in two parts, 22112 and 20112, that added together give a palindrome (42224).

The spelling of 2211220112 in words is "two billion, two hundred eleven million, two hundred twenty thousand, one hundred twelve".