11442212042 has 16 divisors (see below), whose sum is σ = 17269315560. Its totient is φ = 5685799872.

The previous prime is 11442212039. The next prime is 11442212051. The reversal of 11442212042 is 24021224411.

It can be written as a sum of positive squares in 4 ways, for example, as 7336093801 + 4106118241 = 85651^2 + 64079^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11442211999 and 11442212017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195508 + ... + 1205040.

Almost surely, 2^11442212042 is an apocalyptic number.

11442212042 is a deficient number, since it is larger than the sum of its proper divisors (5827103518).

11442212042 is a wasteful number, since it uses less digits than its factorization.

11442212042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 11442212042 its reverse (24021224411), we get a palindrome (35463436453).

The spelling of 11442212042 in words is "eleven billion, four hundred forty-two million, two hundred twelve thousand, forty-two".