11030140421 has 4 divisors (see below), whose sum is σ = 11238256332. Its totient is φ = 10822024512.

The previous prime is 11030140403. The next prime is 11030140423. The reversal of 11030140421 is 12404103011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12404103011 = 61 ⋅203345951.

It can be written as a sum of positive squares in 2 ways, for example, as 7071969025 + 3958171396 = 84095^2 + 62914^2 .

It is a cyclic number.

It is not a de Polignac number, because 11030140421 - 2¹⁰ = 11030139397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11030140421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030140423) 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, 104057876 + ... + 104057981.

It is an arithmetic number, because the mean of its divisors is an integer number (2809564083).

Almost surely, 2^11030140421 is an apocalyptic number.

It is an amenable number.

11030140421 is a deficient number, since it is larger than the sum of its proper divisors (208115911).

11030140421 is an equidigital number, since it uses as much as digits as its factorization.

11030140421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208115910.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11030140421 its reverse (12404103011), we get a palindrome (23434243432).

The spelling of 11030140421 in words is "eleven billion, thirty million, one hundred forty thousand, four hundred twenty-one".