11212421414 has 4 divisors (see below), whose sum is σ = 16818632124. Its totient is φ = 5606210706.

The previous prime is 11212421399. The next prime is 11212421447. The reversal of 11212421414 is 41412421211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11212421414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803105352 + ... + 2803105355.

It is an arithmetic number, because the mean of its divisors is an integer number (4204658031).

Almost surely, 2^11212421414 is an apocalyptic number.

11212421414 is a deficient number, since it is larger than the sum of its proper divisors (5606210710).

11212421414 is an equidigital number, since it uses as much as digits as its factorization.

11212421414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606210709.

The product of its digits is 512, while the sum is 23.

Adding to 11212421414 its reverse (41412421211), we get a palindrome (52624842625).

The spelling of 11212421414 in words is "eleven billion, two hundred twelve million, four hundred twenty-one thousand, four hundred fourteen".