11213321234 has 4 divisors (see below), whose sum is σ = 16819981854. Its totient is φ = 5606660616.

The previous prime is 11213321177. The next prime is 11213321239. The reversal of 11213321234 is 43212331211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8418613009 + 2794708225 = 91753^2 + 52865^2 .

It is not an unprimeable number, because it can be changed into a prime (11213321239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803330307 + ... + 2803330310.

Almost surely, 2^11213321234 is an apocalyptic number.

11213321234 is a deficient number, since it is larger than the sum of its proper divisors (5606660620).

11213321234 is an equidigital number, since it uses as much as digits as its factorization.

11213321234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606660619.

The product of its digits is 864, while the sum is 23.

Adding to 11213321234 its reverse (43212331211), we get a palindrome (54425652445).

The spelling of 11213321234 in words is "eleven billion, two hundred thirteen million, three hundred twenty-one thousand, two hundred thirty-four".