1124140221191 has 4 divisors (see below), whose sum is σ = 1210612545912. Its totient is φ = 1037667896472.

The previous prime is 1124140221173. The next prime is 1124140221199. The reversal of 1124140221191 is 1911220414211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1124140221191 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 (1124140221199) 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, 43236162341 + ... + 43236162366.

It is an arithmetic number, because the mean of its divisors is an integer number (302653136478).

Almost surely, 2^{1124140221191} is an apocalyptic number.

1124140221191 is a deficient number, since it is larger than the sum of its proper divisors (86472324721).

1124140221191 is an equidigital number, since it uses as much as digits as its factorization.

1124140221191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86472324720.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 1124140221191 in words is "one trillion, one hundred twenty-four billion, one hundred forty million, two hundred twenty-one thousand, one hundred ninety-one".