101032131021 has 4 divisors (see below), whose sum is σ = 134709508032. Its totient is φ = 67354754012.

The previous prime is 101032130977. The next prime is 101032131041. The reversal of 101032131021 is 120131230101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101032131021 - 2⁷ = 101032130893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101032131041) 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, 16838688501 + ... + 16838688506.

It is an arithmetic number, because the mean of its divisors is an integer number (33677377008).

Almost surely, 2^101032131021 is an apocalyptic number.

It is an amenable number.

101032131021 is a deficient number, since it is larger than the sum of its proper divisors (33677377011).

101032131021 is an equidigital number, since it uses as much as digits as its factorization.

101032131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33677377010.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101032131021 its reverse (120131230101), we get a palindrome (221163361122).

The spelling of 101032131021 in words is "one hundred one billion, thirty-two million, one hundred thirty-one thousand, twenty-one".