22112142100442 has 16 divisors (see below), whose sum is σ = 33391241280000. Its totient is φ = 10981730219280.

The previous prime is 22112142100427. The next prime is 22112142100453. The reversal of 22112142100442 is 24400124121122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25521059 + ... + 26373257.

It is an arithmetic number, because the mean of its divisors is an integer number (2086952580000).

Almost surely, 2^{22112142100442} is an apocalyptic number.

22112142100442 is a deficient number, since it is larger than the sum of its proper divisors (11279099179558).

22112142100442 is a wasteful number, since it uses less digits than its factorization.

22112142100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939421.

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

Adding to 22112142100442 its reverse (24400124121122), we get a palindrome (46512266221564).

The spelling of 22112142100442 in words is "twenty-two trillion, one hundred twelve billion, one hundred forty-two million, one hundred thousand, four hundred forty-two".