11421143214 has 32 divisors (see below), whose sum is σ = 24606529920. Its totient is φ = 3513177312.

The previous prime is 11421143177. The next prime is 11421143243. The reversal of 11421143214 is 41234112411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275389 + ... + 314135.

It is an arithmetic number, because the mean of its divisors is an integer number (768954060).

Almost surely, 2^11421143214 is an apocalyptic number.

11421143214 is an abundant number, since it is smaller than the sum of its proper divisors (13185386706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11421143214 is a wasteful number, since it uses less digits than its factorization.

11421143214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42544.

The product of its digits is 768, while the sum is 24.

Adding to 11421143214 its reverse (41234112411), we get a palindrome (52655255625).

The spelling of 11421143214 in words is "eleven billion, four hundred twenty-one million, one hundred forty-three thousand, two hundred fourteen".