11200003421 has 4 divisors (see below), whose sum is σ = 11246865600. Its totient is φ = 11153141244.

The previous prime is 11200003369. The next prime is 11200003429. The reversal of 11200003421 is 12430000211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12430000211 = 17 ⋅731176483.

It is a cyclic number.

It is not a de Polignac number, because 11200003421 - 2²⁶ = 11132894557 is a prime.

It is a super-3 number, since 3×11200003421³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200003396 and 11200003405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200003429) 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, 23430731 + ... + 23431208.

It is an arithmetic number, because the mean of its divisors is an integer number (2811716400).

Almost surely, 2^11200003421 is an apocalyptic number.

It is an amenable number.

11200003421 is a deficient number, since it is larger than the sum of its proper divisors (46862179).

11200003421 is an equidigital number, since it uses as much as digits as its factorization.

11200003421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46862178.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11200003421 its reverse (12430000211), we get a palindrome (23630003632).

The spelling of 11200003421 in words is "eleven billion, two hundred million, three thousand, four hundred twenty-one".