142401331202101 has 4 divisors (see below), whose sum is σ = 143012495713932. Its totient is φ = 141790166690272.

The previous prime is 142401331202057. The next prime is 142401331202113. The reversal of 142401331202101 is 101202133104241.

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 13777266227076 + 128624064975025 = 3711774^2 + 11341255^2 .

It is a cyclic number.

It is not a de Polignac number, because 142401331202101 - 2¹⁷ = 142401331071029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142401331202401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305582255566 + ... + 305582256031.

It is an arithmetic number, because the mean of its divisors is an integer number (35753123928483).

Almost surely, 2^{142401331202101} is an apocalyptic number.

It is an amenable number.

142401331202101 is a deficient number, since it is larger than the sum of its proper divisors (611164511831).

142401331202101 is an equidigital number, since it uses as much as digits as its factorization.

142401331202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611164511830.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 142401331202101 its reverse (101202133104241), we get a palindrome (243603464306342).

The spelling of 142401331202101 in words is "one hundred forty-two trillion, four hundred one billion, three hundred thirty-one million, two hundred two thousand, one hundred one".