142011115221 has 8 divisors (see below), whose sum is σ = 200486280384. Its totient is φ = 89105013440.

The previous prime is 142011115201. The next prime is 142011115247. The reversal of 142011115221 is 122511110241.

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 142011115221 - 2⁵ = 142011115189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142011115201) 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, 1392265785 + ... + 1392265886.

It is an arithmetic number, because the mean of its divisors is an integer number (25060785048).

Almost surely, 2^142011115221 is an apocalyptic number.

It is an amenable number.

142011115221 is a deficient number, since it is larger than the sum of its proper divisors (58475165163).

142011115221 is a wasteful number, since it uses less digits than its factorization.

142011115221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784531691.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 142011115221 its reverse (122511110241), we get a palindrome (264522225462).

The spelling of 142011115221 in words is "one hundred forty-two billion, eleven million, one hundred fifteen thousand, two hundred twenty-one".