42221689181111 has 8 divisors (see below), whose sum is σ = 46060075054224. Its totient is φ = 38383311723520.

The previous prime is 42221689180969. The next prime is 42221689181117. The reversal of 42221689181111 is 11118198612224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42221689181111 - 2¹⁸ = 42221688918967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221689181117) 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, 13272695 + ... + 16143351.

It is an arithmetic number, because the mean of its divisors is an integer number (5757509381778).

Almost surely, 2^{42221689181111} is an apocalyptic number.

42221689181111 is a deficient number, since it is larger than the sum of its proper divisors (3838385873113).

42221689181111 is a wasteful number, since it uses less digits than its factorization.

42221689181111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207761.

The product of its digits is 110592, while the sum is 47.

The spelling of 42221689181111 in words is "forty-two trillion, two hundred twenty-one billion, six hundred eighty-nine million, one hundred eighty-one thousand, one hundred eleven".