11213412142 has 16 divisors (see below), whose sum is σ = 17145091152. Its totient is φ = 5498475840.

The previous prime is 11213412127. The next prime is 11213412149. The reversal of 11213412142 is 24121431211.

It is a super-2 number, since 2×11213412142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213412149) 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 7 ways as a sum of consecutive naturals, for example, 229018 + ... + 273634.

It is an arithmetic number, because the mean of its divisors is an integer number (1071568197).

Almost surely, 2^11213412142 is an apocalyptic number.

11213412142 is a deficient number, since it is larger than the sum of its proper divisors (5931679010).

11213412142 is a wasteful number, since it uses less digits than its factorization.

11213412142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47043.

The product of its digits is 384, while the sum is 22.

Adding to 11213412142 its reverse (24121431211), we get a palindrome (35334843353).

The spelling of 11213412142 in words is "eleven billion, two hundred thirteen million, four hundred twelve thousand, one hundred forty-two".