142224104121 has 16 divisors (see below), whose sum is σ = 206878434048. Its totient is φ = 86193506000.

The previous prime is 142224104119. The next prime is 142224104171. The reversal of 142224104121 is 121401422241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142224104121 - 2¹ = 142224104119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142224104091 and 142224104100.

It is not an unprimeable number, because it can be changed into a prime (142224104101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302190 + ... + 1407176.

It is an arithmetic number, because the mean of its divisors is an integer number (12929902128).

Almost surely, 2^142224104121 is an apocalyptic number.

142224104121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142224104121 is a deficient number, since it is larger than the sum of its proper divisors (64654329927).

142224104121 is a wasteful number, since it uses less digits than its factorization.

142224104121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146052.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 142224104121 its reverse (121401422241), we get a palindrome (263625526362).

The spelling of 142224104121 in words is "one hundred forty-two billion, two hundred twenty-four million, one hundred four thousand, one hundred twenty-one".