240140221111 has 12 divisors (see below), whose sum is σ = 279983138160. Its totient is φ = 205365585600.

The previous prime is 240140221063. The next prime is 240140221147. The reversal of 240140221111 is 111122041042.

It is a happy number.

It is not a de Polignac number, because 240140221111 - 2¹³ = 240140212919 is a prime.

It is a super-4 number, since 4×240140221111⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240140224111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5560290 + ... + 5603311.

It is an arithmetic number, because the mean of its divisors is an integer number (23331928180).

Almost surely, 2^240140221111 is an apocalyptic number.

240140221111 is a deficient number, since it is larger than the sum of its proper divisors (39842917049).

240140221111 is a wasteful number, since it uses less digits than its factorization.

240140221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164054 (or 11164047 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 240140221111 its reverse (111122041042), we get a palindrome (351262262153).

The spelling of 240140221111 in words is "two hundred forty billion, one hundred forty million, two hundred twenty-one thousand, one hundred eleven".