11213420124231 has 128 divisors (see below), whose sum is σ = 18634565734400. Its totient is φ = 6619064325120.

The previous prime is 11213420124199. The next prime is 11213420124259. The reversal of 11213420124231 is 13242102431211.

11213420124231 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 3 + 420 + 1 + 2 + 4 + 231 = 666.

11213420124231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11213420124231 - 2⁵ = 11213420124199 is a prime.

It is a super-2 number, since 2×11213420124231² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11213420124195 and 11213420124204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213420124271) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 708939435 + ... + 708955251.

It is an arithmetic number, because the mean of its divisors is an integer number (145582544800).

Almost surely, 2^{11213420124231} is an apocalyptic number.

11213420124231 is a deficient number, since it is larger than the sum of its proper divisors (7421145610169).

11213420124231 is a wasteful number, since it uses less digits than its factorization.

11213420124231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16646 (or 16640 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 11213420124231 its reverse (13242102431211), we get a palindrome (24455522555442).

The spelling of 11213420124231 in words is "eleven trillion, two hundred thirteen billion, four hundred twenty million, one hundred twenty-four thousand, two hundred thirty-one".