11203023130321 has 4 divisors (see below), whose sum is σ = 12221479778544. Its totient is φ = 10184566482100.

The previous prime is 11203023130297. The next prime is 11203023130331. The reversal of 11203023130321 is 12303132030211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11203023130321 - 2¹³ = 11203023122129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11203023130292 and 11203023130301.

It is not an unprimeable number, because it can be changed into a prime (11203023130331) 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, 509228324095 + ... + 509228324116.

It is an arithmetic number, because the mean of its divisors is an integer number (3055369944636).

Almost surely, 2^{11203023130321} is an apocalyptic number.

11203023130321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11203023130321 is a deficient number, since it is larger than the sum of its proper divisors (1018456648223).

11203023130321 is a wasteful number, since it uses less digits than its factorization.

11203023130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018456648222.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11203023130321 its reverse (12303132030211), we get a palindrome (23506155160532).

The spelling of 11203023130321 in words is "eleven trillion, two hundred three billion, twenty-three million, one hundred thirty thousand, three hundred twenty-one".