2211110988 has 24 divisors (see below), whose sum is σ = 5210343600. Its totient is φ = 729739200.

The previous prime is 2211110983. The next prime is 2211111029. The reversal of 2211110988 is 8890111122.

It is a super-2 number, since 2×2211110988² = 9778023602508672288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211110983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910963 + ... + 913386.

It is an arithmetic number, because the mean of its divisors is an integer number (217097650).

Almost surely, 2^2211110988 is an apocalyptic number.

It is an amenable number.

2211110988 is an abundant number, since it is smaller than the sum of its proper divisors (2999232612).

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

2211110988 is a wasteful number, since it uses less digits than its factorization.

2211110988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824457 (or 1824455 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 33.

The square root of 2211110988 is about 47022.4519564856. The cubic root of 2211110988 is about 1302.7772947632. Note that the first 3 decimals are identical.

The spelling of 2211110988 in words is "two billion, two hundred eleven million, one hundred ten thousand, nine hundred eighty-eight".