11042214421 has 4 divisors (see below), whose sum is σ = 12619673632. Its totient is φ = 9464755212.

The previous prime is 11042214307. The next prime is 11042214479. The reversal of 11042214421 is 12441224011.

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 11042214421 - 2⁹ = 11042213909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11042214392 and 11042214401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042214481) 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, 788729595 + ... + 788729608.

It is an arithmetic number, because the mean of its divisors is an integer number (3154918408).

Almost surely, 2^11042214421 is an apocalyptic number.

It is an amenable number.

11042214421 is a deficient number, since it is larger than the sum of its proper divisors (1577459211).

11042214421 is an equidigital number, since it uses as much as digits as its factorization.

11042214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577459210.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11042214421 its reverse (12441224011), we get a palindrome (23483438432).

The spelling of 11042214421 in words is "eleven billion, forty-two million, two hundred fourteen thousand, four hundred twenty-one".