11401232213 has 16 divisors (see below), whose sum is σ = 13154400000. Its totient is φ = 9679540992.

The previous prime is 11401232159. The next prime is 11401232233. The reversal of 11401232213 is 31223210411.

It is a cyclic number.

It is not a de Polignac number, because 11401232213 - 2⁶ = 11401232149 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 (11401232233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359213 + ... + 389661.

It is an arithmetic number, because the mean of its divisors is an integer number (822150000).

Almost surely, 2^11401232213 is an apocalyptic number.

It is an amenable number.

11401232213 is a deficient number, since it is larger than the sum of its proper divisors (1753167787).

11401232213 is a wasteful number, since it uses less digits than its factorization.

11401232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30964.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11401232213 its reverse (31223210411), we get a palindrome (42624442624).

The spelling of 11401232213 in words is "eleven billion, four hundred one million, two hundred thirty-two thousand, two hundred thirteen".