142220881371 has 4 divisors (see below), whose sum is σ = 189627841832. Its totient is φ = 94813920912.

The previous prime is 142220881337. The next prime is 142220881403. The reversal of 142220881371 is 173188022241.

142220881371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142220881371 - 2⁹ = 142220880859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142220881771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23703480226 + ... + 23703480231.

It is an arithmetic number, because the mean of its divisors is an integer number (47406960458).

Almost surely, 2^142220881371 is an apocalyptic number.

142220881371 is a deficient number, since it is larger than the sum of its proper divisors (47406960461).

142220881371 is an equidigital number, since it uses as much as digits as its factorization.

142220881371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47406960460.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 142220881371 in words is "one hundred forty-two billion, two hundred twenty million, eight hundred eighty-one thousand, three hundred seventy-one".