100442120040022 has 4 divisors (see below), whose sum is σ = 150663180060036. Its totient is φ = 50221060020010.

The previous prime is 100442120040011. The next prime is 100442120040113. The reversal of 100442120040022 is 220040021244001.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 100442120039975 and 100442120040002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25110530010004 + ... + 25110530010007.

It is an arithmetic number, because the mean of its divisors is an integer number (37665795015009).

Almost surely, 2^{100442120040022} is an apocalyptic number.

100442120040022 is a deficient number, since it is larger than the sum of its proper divisors (50221060020014).

100442120040022 is an equidigital number, since it uses as much as digits as its factorization.

100442120040022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50221060020013.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 100442120040022 its reverse (220040021244001), we get a palindrome (320482141284023).

The spelling of 100442120040022 in words is "one hundred trillion, four hundred forty-two billion, one hundred twenty million, forty thousand, twenty-two".