142221535112 has 8 divisors (see below), whose sum is σ = 266665378350. Its totient is φ = 71110767552.

The previous prime is 142221535081. The next prime is 142221535129. The reversal of 142221535112 is 211535122241.

142221535112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 139781767876 + 2439767236 = 373874^2 + 49394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×142221535112² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8888845937 + ... + 8888845952.

Almost surely, 2^142221535112 is an apocalyptic number.

It is an amenable number.

142221535112 is a deficient number, since it is larger than the sum of its proper divisors (124443843238).

142221535112 is a wasteful number, since it uses less digits than its factorization.

142221535112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777691895 (or 17777691891 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

Adding to 142221535112 its reverse (211535122241), we get a palindrome (353756657353).

The spelling of 142221535112 in words is "one hundred forty-two billion, two hundred twenty-one million, five hundred thirty-five thousand, one hundred twelve".