2211121112 has 16 divisors (see below), whose sum is σ = 4146422400. Its totient is φ = 1105408480.

The previous prime is 2211121109. The next prime is 2211121127. The reversal of 2211121112 is 2111211122.

It is a nude number because it is divisible by every one of its digits.

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, 64214 + ... + 92442.

It is an arithmetic number, because the mean of its divisors is an integer number (259151400).

Almost surely, 2^2211121112 is an apocalyptic number.

It is an amenable number.

2211121112 is a deficient number, since it is larger than the sum of its proper divisors (1935301288).

2211121112 is a wasteful number, since it uses less digits than its factorization.

2211121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38026 (or 38022 counting only the distinct ones).

The product of its digits is 16, while the sum is 14.

The square root of 2211121112 is about 47022.5596070652. The cubic root of 2211121112 is about 1302.7792830996.

Adding to 2211121112 its reverse (2111211122), we get a palindrome (4322332234).

It can be divided in two parts, 2 and 211121112, that multiplied together give a palindrome (422242224).

The spelling of 2211121112 in words is "two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred twelve".