142240100141201 has 4 divisors (see below), whose sum is σ = 142240124702004. Its totient is φ = 142240075580400.

The previous prime is 142240100141177. The next prime is 142240100141257. The reversal of 142240100141201 is 102141001042241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5344858491025 + 136895241650176 = 2311895^2 + 11700224^2 .

It is a cyclic number.

It is not a de Polignac number, because 142240100141201 - 2¹⁸ = 142240099879057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142240100144201) 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, 1749491 + ... + 16957031.

It is an arithmetic number, because the mean of its divisors is an integer number (35560031175501).

Almost surely, 2^{142240100141201} is an apocalyptic number.

It is an amenable number.

142240100141201 is a deficient number, since it is larger than the sum of its proper divisors (24560803).

142240100141201 is an equidigital number, since it uses as much as digits as its factorization.

142240100141201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24560802.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 142240100141201 its reverse (102141001042241), we get a palindrome (244381101183442).

The spelling of 142240100141201 in words is "one hundred forty-two trillion, two hundred forty billion, one hundred million, one hundred forty-one thousand, two hundred one".