142322101121 has 4 divisors (see below), whose sum is σ = 143264631744. Its totient is φ = 141379570500.

The previous prime is 142322101003. The next prime is 142322101127. The reversal of 142322101121 is 121101223241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121101223241 = 349 ⋅346994909.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142322101121 is a prime.

It is a super-2 number, since 2×142322101121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142322101093 and 142322101102.

It is not an unprimeable number, because it can be changed into a prime (142322101127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471265085 + ... + 471265386.

It is an arithmetic number, because the mean of its divisors is an integer number (35816157936).

Almost surely, 2^142322101121 is an apocalyptic number.

It is an amenable number.

142322101121 is a deficient number, since it is larger than the sum of its proper divisors (942530623).

142322101121 is an equidigital number, since it uses as much as digits as its factorization.

142322101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942530622.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 142322101121 its reverse (121101223241), we get a palindrome (263423324362).

The spelling of 142322101121 in words is "one hundred forty-two billion, three hundred twenty-two million, one hundred one thousand, one hundred twenty-one".