42221121303111 has 4 divisors (see below), whose sum is σ = 56294828404152. Its totient is φ = 28147414202072.

The previous prime is 42221121303089. The next prime is 42221121303121. The reversal of 42221121303111 is 11130312112224.

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

It is a cyclic number.

It is not a de Polignac number, because 42221121303111 - 2⁵ = 42221121303079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221121303121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7036853550516 + ... + 7036853550521.

It is an arithmetic number, because the mean of its divisors is an integer number (14073707101038).

Almost surely, 2^{42221121303111} is an apocalyptic number.

42221121303111 is a deficient number, since it is larger than the sum of its proper divisors (14073707101041).

42221121303111 is a wasteful number, since it uses less digits than its factorization.

42221121303111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14073707101040.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 42221121303111 its reverse (11130312112224), we get a palindrome (53351433415335).

The spelling of 42221121303111 in words is "forty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, three hundred three thousand, one hundred eleven".