11401421213 has 16 divisors (see below), whose sum is σ = 14035607040. Its totient is φ = 9018919296.

The previous prime is 11401421191. The next prime is 11401421279. The reversal of 11401421213 is 31212410411.

It is a cyclic number.

It is not a de Polignac number, because 11401421213 - 2¹⁰ = 11401420189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401421413) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 511148 + ... + 532986.

It is an arithmetic number, because the mean of its divisors is an integer number (877225440).

Almost surely, 2^11401421213 is an apocalyptic number.

11401421213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11401421213 is a deficient number, since it is larger than the sum of its proper divisors (2634185827).

11401421213 is a wasteful number, since it uses less digits than its factorization.

11401421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27596.

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

Adding to 11401421213 its reverse (31212410411), we get a palindrome (42613831624).

The spelling of 11401421213 in words is "eleven billion, four hundred one million, four hundred twenty-one thousand, two hundred thirteen".