11421431210 has 64 divisors (see below), whose sum is σ = 24228046080. Its totient is φ = 3794688000.

The previous prime is 11421431171. The next prime is 11421431237. The reversal of 11421431210 is 1213412411.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641306 + ... + 658874.

It is an arithmetic number, because the mean of its divisors is an integer number (378563220).

Almost surely, 2^11421431210 is an apocalyptic number.

11421431210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11421431210 is an abundant number, since it is smaller than the sum of its proper divisors (12806614870).

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

11421431210 is a wasteful number, since it uses less digits than its factorization.

11421431210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17871.

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

Adding to 11421431210 its reverse (1213412411), we get a palindrome (12634843621).

The spelling of 11421431210 in words is "eleven billion, four hundred twenty-one million, four hundred thirty-one thousand, two hundred ten".