11202341421 has 4 divisors (see below), whose sum is σ = 14936455232. Its totient is φ = 7468227612.

The previous prime is 11202341417. The next prime is 11202341483. The reversal of 11202341421 is 12414320211.

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: 12414320211 = 3 ⋅4138106737.

It is not a de Polignac number, because 11202341421 - 2² = 11202341417 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 (11202341411) 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, 1867056901 + ... + 1867056906.

It is an arithmetic number, because the mean of its divisors is an integer number (3734113808).

Almost surely, 2^11202341421 is an apocalyptic number.

It is an amenable number.

11202341421 is a deficient number, since it is larger than the sum of its proper divisors (3734113811).

11202341421 is an equidigital number, since it uses as much as digits as its factorization.

11202341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734113810.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11202341421 its reverse (12414320211), we get a palindrome (23616661632).

The spelling of 11202341421 in words is "eleven billion, two hundred two million, three hundred forty-one thousand, four hundred twenty-one".