1140234110021 has 4 divisors (see below), whose sum is σ = 1140236750700. Its totient is φ = 1140231469344.

The previous prime is 1140234110017. The next prime is 1140234110069. The reversal of 1140234110021 is 1200114320411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 374836593121 + 765397516900 = 612239^2 + 874870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140234110021 - 2² = 1140234110017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140234109975 and 1140234110002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140234119021) 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, 504686 + ... + 1592223.

It is an arithmetic number, because the mean of its divisors is an integer number (285059187675).

Almost surely, 2^{1140234110021} is an apocalyptic number.

It is an amenable number.

1140234110021 is a deficient number, since it is larger than the sum of its proper divisors (2640679).

1140234110021 is an equidigital number, since it uses as much as digits as its factorization.

1140234110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640678.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1140234110021 its reverse (1200114320411), we get a palindrome (2340348430432).

The spelling of 1140234110021 in words is "one trillion, one hundred forty billion, two hundred thirty-four million, one hundred ten thousand, twenty-one".