142230104121 has 96 divisors (see below), whose sum is σ = 239472967680. Its totient is φ = 73451750400.

The previous prime is 142230104099. The next prime is 142230104123. The reversal of 142230104121 is 121401032241.

It is not a de Polignac number, because 142230104121 - 2²¹ = 142228006969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (142230104123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33614076 + ... + 33618306.

It is an arithmetic number, because the mean of its divisors is an integer number (2494510080).

Almost surely, 2^142230104121 is an apocalyptic number.

It is an amenable number.

142230104121 is a deficient number, since it is larger than the sum of its proper divisors (97242863559).

142230104121 is a wasteful number, since it uses less digits than its factorization.

142230104121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495 (or 4478 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 142230104121 its reverse (121401032241), we get a palindrome (263631136362).

The spelling of 142230104121 in words is "one hundred forty-two billion, two hundred thirty million, one hundred four thousand, one hundred twenty-one".