11421241442 has 16 divisors (see below), whose sum is σ = 18451543992. Its totient is φ = 5270814720.

The previous prime is 11421241441. The next prime is 11421241457. The reversal of 11421241442 is 24414212411.

It can be written as a sum of positive squares in 4 ways, for example, as 11327132041 + 94109401 = 106429^2 + 9701^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (11421241441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385088 + ... + 413684.

Almost surely, 2^11421241442 is an apocalyptic number.

11421241442 is a deficient number, since it is larger than the sum of its proper divisors (7030302550).

11421241442 is a wasteful number, since it uses less digits than its factorization.

11421241442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43973.

The product of its digits is 2048, while the sum is 26.

Adding to 11421241442 its reverse (24414212411), we get a palindrome (35835453853).

The spelling of 11421241442 in words is "eleven billion, four hundred twenty-one million, two hundred forty-one thousand, four hundred forty-two".