2211121140 has 24 divisors (see below), whose sum is σ = 6191139360. Its totient is φ = 589632288.

The previous prime is 2211121127. The next prime is 2211121177. The reversal of 2211121140 is 411211122.

2211121140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18425950 + ... + 18426069.

It is an arithmetic number, because the mean of its divisors is an integer number (257964140).

Almost surely, 2^2211121140 is an apocalyptic number.

2211121140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211121140 is an abundant number, since it is smaller than the sum of its proper divisors (3980018220).

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

2211121140 is a wasteful number, since it uses less digits than its factorization.

2211121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36852031 (or 36852029 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2211121140 is about 47022.5599047946. The cubic root of 2211121140 is about 1302.7792885987.

Adding to 2211121140 its reverse (411211122), we get a palindrome (2622332262).

The spelling of 2211121140 in words is "two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred forty".