101342230421 has 4 divisors (see below), whose sum is σ = 101377655244. Its totient is φ = 101306805600.

The previous prime is 101342230403. The next prime is 101342230453. The reversal of 101342230421 is 124032243101.

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 68664437521 + 32677792900 = 262039^2 + 180770^2 .

It is a cyclic number.

It is not a de Polignac number, because 101342230421 - 2³⁴ = 84162361237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101342230471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17708120 + ... + 17713841.

It is an arithmetic number, because the mean of its divisors is an integer number (25344413811).

Almost surely, 2^101342230421 is an apocalyptic number.

It is an amenable number.

101342230421 is a deficient number, since it is larger than the sum of its proper divisors (35424823).

101342230421 is an equidigital number, since it uses as much as digits as its factorization.

101342230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35424822.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 101342230421 its reverse (124032243101), we get a palindrome (225374473522).

The spelling of 101342230421 in words is "one hundred one billion, three hundred forty-two million, two hundred thirty thousand, four hundred twenty-one".