101421233143213 has 4 divisors (see below), whose sum is σ = 101421288202780. Its totient is φ = 101421178083648.

The previous prime is 101421233143207. The next prime is 101421233143247. The reversal of 101421233143213 is 312341332124101.

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 36698612811844 + 64722620331369 = 6057938^2 + 8045037^2 .

It is a cyclic number.

It is not a de Polignac number, because 101421233143213 - 2¹³ = 101421233135021 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 (101421233143273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24667548 + ... + 28483861.

It is an arithmetic number, because the mean of its divisors is an integer number (25355322050695).

Almost surely, 2^{101421233143213} is an apocalyptic number.

It is an amenable number.

101421233143213 is a deficient number, since it is larger than the sum of its proper divisors (55059567).

101421233143213 is an equidigital number, since it uses as much as digits as its factorization.

101421233143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55059566.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 101421233143213 its reverse (312341332124101), we get a palindrome (413762565267314).

The spelling of 101421233143213 in words is "one hundred one trillion, four hundred twenty-one billion, two hundred thirty-three million, one hundred forty-three thousand, two hundred thirteen".