11031011421 has 8 divisors (see below), whose sum is σ = 14733073824. Its totient is φ = 7341478320.

The previous prime is 11031011417. The next prime is 11031011447. The reversal of 11031011421 is 12411013011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11031011421 - 2² = 11031011417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11031011421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031011401) 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 7 ways as a sum of consecutive naturals, for example, 3130270 + ... + 3133791.

It is an arithmetic number, because the mean of its divisors is an integer number (1841634228).

Almost surely, 2^11031011421 is an apocalyptic number.

It is an amenable number.

11031011421 is a deficient number, since it is larger than the sum of its proper divisors (3702062403).

11031011421 is an equidigital number, since it uses as much as digits as its factorization.

11031011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264651.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11031011421 its reverse (12411013011), we get a palindrome (23442024432).

The spelling of 11031011421 in words is "eleven billion, thirty-one million, eleven thousand, four hundred twenty-one".