1140223123211 has 4 divisors (see below), whose sum is σ = 1140225731424. Its totient is φ = 1140220515000.

The previous prime is 1140223123187. The next prime is 1140223123219. The reversal of 1140223123211 is 1123213220411.

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

It is a cyclic number.

It is not a de Polignac number, because 1140223123211 - 2²² = 1140218928907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140223123219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470915 + ... + 1581836.

It is an arithmetic number, because the mean of its divisors is an integer number (285056432856).

Almost surely, 2^{1140223123211} is an apocalyptic number.

1140223123211 is a deficient number, since it is larger than the sum of its proper divisors (2608213).

1140223123211 is an equidigital number, since it uses as much as digits as its factorization.

1140223123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608212.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1140223123211 its reverse (1123213220411), we get a palindrome (2263436343622).

The spelling of 1140223123211 in words is "one trillion, one hundred forty billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred eleven".