1100140221 has 4 divisors (see below), whose sum is σ = 1466853632. Its totient is φ = 733426812.

The previous prime is 1100140187. The next prime is 1100140229. The reversal of 1100140221 is 1220410011.

It is a happy number.

1100140221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1100140221 - 2¹¹ = 1100138173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100140197 and 1100140206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100140229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183356701 + ... + 183356706.

It is an arithmetic number, because the mean of its divisors is an integer number (366713408).

Almost surely, 2^1100140221 is an apocalyptic number.

It is an amenable number.

1100140221 is a deficient number, since it is larger than the sum of its proper divisors (366713411).

1100140221 is an equidigital number, since it uses as much as digits as its factorization.

1100140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366713410.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1100140221 is about 33168.3617473037. The cubic root of 1100140221 is about 1032.3239764261.

Adding to 1100140221 its reverse (1220410011), we get a palindrome (2320550232).

The spelling of 1100140221 in words is "one billion, one hundred million, one hundred forty thousand, two hundred twenty-one".