142221411155 has 16 divisors (see below), whose sum is σ = 172467338400. Its totient is φ = 112576607232.

The previous prime is 142221411131. The next prime is 142221411223. The reversal of 142221411155 is 551114122241.

It is a cyclic number.

It is not a de Polignac number, because 142221411155 - 2¹⁰ = 142221410131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2075552 + ... + 2142978.

It is an arithmetic number, because the mean of its divisors is an integer number (10779208650).

Almost surely, 2^142221411155 is an apocalyptic number.

142221411155 is a deficient number, since it is larger than the sum of its proper divisors (30245927245).

142221411155 is an equidigital number, since it uses as much as digits as its factorization.

142221411155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71878.

The product of its digits is 3200, while the sum is 29.

Adding to 142221411155 its reverse (551114122241), we get a palindrome (693335533396).

The spelling of 142221411155 in words is "one hundred forty-two billion, two hundred twenty-one million, four hundred eleven thousand, one hundred fifty-five".