1124140140221 has 8 divisors (see below), whose sum is σ = 1287506390784. Its totient is φ = 961467590160.

The previous prime is 1124140140199. The next prime is 1124140140247. The reversal of 1124140140221 is 1220410414211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1124140140221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124140140281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173421650 + ... + 173428131.

It is an arithmetic number, because the mean of its divisors is an integer number (160938298848).

Almost surely, 2^{1124140140221} is an apocalyptic number.

It is an amenable number.

1124140140221 is a deficient number, since it is larger than the sum of its proper divisors (163366250563).

1124140140221 is an equidigital number, since it uses as much as digits as its factorization.

1124140140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346850251.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1124140140221 its reverse (1220410414211), we get a palindrome (2344550554432).

The spelling of 1124140140221 in words is "one trillion, one hundred twenty-four billion, one hundred forty million, one hundred forty thousand, two hundred twenty-one".