242143442201 has 16 divisors (see below), whose sum is σ = 255173889600. Its totient is φ = 229438577088.

The previous prime is 242143442161. The next prime is 242143442221. The reversal of 242143442201 is 102244341242.

It is a happy number.

It is not a de Polignac number, because 242143442201 - 2¹⁸ = 242143180057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242143442221) 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, 883811 + ... + 1124903.

It is an arithmetic number, because the mean of its divisors is an integer number (15948368100).

Almost surely, 2^242143442201 is an apocalyptic number.

It is an amenable number.

242143442201 is a deficient number, since it is larger than the sum of its proper divisors (13030447399).

242143442201 is a wasteful number, since it uses less digits than its factorization.

242143442201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241768.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 242143442201 its reverse (102244341242), we get a palindrome (344387783443).

The spelling of 242143442201 in words is "two hundred forty-two billion, one hundred forty-three million, four hundred forty-two thousand, two hundred one".