101230203021 has 16 divisors (see below), whose sum is σ = 138680365248. Its totient is φ = 65634969600.

The previous prime is 101230203007. The next prime is 101230203023. The reversal of 101230203021 is 120302032101.

It is not a de Polignac number, because 101230203021 - 2⁹ = 101230202509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101230203023) 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 15 ways as a sum of consecutive naturals, for example, 70861 + ... + 455501.

It is an arithmetic number, because the mean of its divisors is an integer number (8667522828).

Almost surely, 2^101230203021 is an apocalyptic number.

It is an amenable number.

101230203021 is a deficient number, since it is larger than the sum of its proper divisors (37450162227).

101230203021 is a wasteful number, since it uses less digits than its factorization.

101230203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387052.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 101230203021 its reverse (120302032101), we get a palindrome (221532235122).

The spelling of 101230203021 in words is "one hundred one billion, two hundred thirty million, two hundred three thousand, twenty-one".