100142423244421 has 8 divisors (see below), whose sum is σ = 102043338118560. Its totient is φ = 98241931895952.

The previous prime is 100142423244403. The next prime is 100142423244509. The reversal of 100142423244421 is 124442324241001.

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 100142423244421 - 2⁷ = 100142423244293 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 (100142423244401) 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, 105404011 + ... + 106349848.

It is an arithmetic number, because the mean of its divisors is an integer number (12755417264820).

Almost surely, 2^{100142423244421} is an apocalyptic number.

It is an amenable number.

100142423244421 is a deficient number, since it is larger than the sum of its proper divisors (1900914874139).

100142423244421 is an equidigital number, since it uses as much as digits as its factorization.

100142423244421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211762835.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 100142423244421 its reverse (124442324241001), we get a palindrome (224584747485422).

The spelling of 100142423244421 in words is "one hundred trillion, one hundred forty-two billion, four hundred twenty-three million, two hundred forty-four thousand, four hundred twenty-one".