142021404101 has 8 divisors (see below), whose sum is σ = 142763272344. Its totient is φ = 141279747840.

The previous prime is 142021404067. The next prime is 142021404121. The reversal of 142021404101 is 101404120241.

It can be written as a sum of positive squares in 4 ways, for example, as 998623201 + 141022780900 = 31601^2 + 375530^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142021404101 - 2⁶ = 142021404037 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 (142021404121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393001 + ... + 1491473.

It is an arithmetic number, because the mean of its divisors is an integer number (17845409043).

Almost surely, 2^142021404101 is an apocalyptic number.

It is an amenable number.

142021404101 is a deficient number, since it is larger than the sum of its proper divisors (741868243).

142021404101 is an equidigital number, since it uses as much as digits as its factorization.

142021404101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105991.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 142021404101 its reverse (101404120241), we get a palindrome (243425524342).

The spelling of 142021404101 in words is "one hundred forty-two billion, twenty-one million, four hundred four thousand, one hundred one".