101332332421 has 4 divisors (see below), whose sum is σ = 101338167852. Its totient is φ = 101326496992.

The previous prime is 101332332391. The next prime is 101332332473. The reversal of 101332332421 is 124233233101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124233233101 = 102983 ⋅1206347.

It can be written as a sum of positive squares in 2 ways, for example, as 85840796196 + 15491536225 = 292986^2 + 124465^2 .

It is a cyclic number.

It is not a de Polignac number, because 101332332421 - 2⁵ = 101332332389 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 (101332332721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2891590 + ... + 2926423.

It is an arithmetic number, because the mean of its divisors is an integer number (25334541963).

Almost surely, 2^101332332421 is an apocalyptic number.

It is an amenable number.

101332332421 is a deficient number, since it is larger than the sum of its proper divisors (5835431).

101332332421 is an equidigital number, since it uses as much as digits as its factorization.

101332332421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835430.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 101332332421 its reverse (124233233101), we get a palindrome (225565565522).

The spelling of 101332332421 in words is "one hundred one billion, three hundred thirty-two million, three hundred thirty-two thousand, four hundred twenty-one".