101103232021 has 12 divisors (see below), whose sum is σ = 112788664576. Its totient is φ = 90540200520.

The previous prime is 101103231923. The next prime is 101103232051. The reversal of 101103232021 is 120232301101.

It is not a de Polignac number, because 101103232021 - 2²⁵ = 101069677589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101103231986 and 101103232004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101103232051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6227445 + ... + 6243658.

Almost surely, 2^101103232021 is an apocalyptic number.

101103232021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101103232021 is a deficient number, since it is larger than the sum of its proper divisors (11685432555).

101103232021 is a wasteful number, since it uses less digits than its factorization.

101103232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12471192 (or 12471181 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101103232021 its reverse (120232301101), we get a palindrome (221335533122).

The spelling of 101103232021 in words is "one hundred one billion, one hundred three million, two hundred thirty-two thousand, twenty-one".