11421211430 has 32 divisors (see below), whose sum is σ = 22031815104. Its totient is φ = 4251747456.

The previous prime is 11421211411. The next prime is 11421211457. The reversal of 11421211430 is 3411212411.

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, 662537 + ... + 679556.

It is an arithmetic number, because the mean of its divisors is an integer number (688494222).

Almost surely, 2^11421211430 is an apocalyptic number.

11421211430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11421211430 is a deficient number, since it is larger than the sum of its proper divisors (10610603674).

11421211430 is a wasteful number, since it uses less digits than its factorization.

11421211430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342160.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11421211430 its reverse (3411212411), we get a palindrome (14832423841).

The spelling of 11421211430 in words is "eleven billion, four hundred twenty-one million, two hundred eleven thousand, four hundred thirty".