11030001421 has 4 divisors (see below), whose sum is σ = 11678825052. Its totient is φ = 10381177792.

The previous prime is 11030001419. The next prime is 11030001431. The reversal of 11030001421 is 12410003011.

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 4893002500 + 6136998921 = 69950^2 + 78339^2 .

It is a cyclic number.

It is not a de Polignac number, because 11030001421 - 2¹ = 11030001419 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 (11030001431) 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, 324411790 + ... + 324411823.

It is an arithmetic number, because the mean of its divisors is an integer number (2919706263).

Almost surely, 2^11030001421 is an apocalyptic number.

It is an amenable number.

11030001421 is a deficient number, since it is larger than the sum of its proper divisors (648823631).

11030001421 is an equidigital number, since it uses as much as digits as its factorization.

11030001421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648823630.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11030001421 its reverse (12410003011), we get a palindrome (23440004432).

The spelling of 11030001421 in words is "eleven billion, thirty million, one thousand, four hundred twenty-one".