142104222111 has 4 divisors (see below), whose sum is σ = 189472296152. Its totient is φ = 94736148072.

The previous prime is 142104222047. The next prime is 142104222131. The reversal of 142104222111 is 111222401241.

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

It is not a de Polignac number, because 142104222111 - 2⁶ = 142104222047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142104222131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23684037016 + ... + 23684037021.

It is an arithmetic number, because the mean of its divisors is an integer number (47368074038).

Almost surely, 2^142104222111 is an apocalyptic number.

142104222111 is a deficient number, since it is larger than the sum of its proper divisors (47368074041).

142104222111 is an equidigital number, since it uses as much as digits as its factorization.

142104222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47368074040.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 142104222111 its reverse (111222401241), we get a palindrome (253326623352).

The spelling of 142104222111 in words is "one hundred forty-two billion, one hundred four million, two hundred twenty-two thousand, one hundred eleven".