101230202230021 has 8 divisors (see below), whose sum is σ = 101943215908344. Its totient is φ = 100518052290240.

The previous prime is 101230202229997. The next prime is 101230202230061. The reversal of 101230202230021 is 120032202032101.

It can be written as a sum of positive squares in 4 ways, for example, as 57750500390625 + 43479701839396 = 7599375^2 + 6593914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101230202230021 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 (101230202230061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215699410 + ... + 216168211.

It is an arithmetic number, because the mean of its divisors is an integer number (12742901988543).

Almost surely, 2^{101230202230021} is an apocalyptic number.

It is an amenable number.

101230202230021 is a deficient number, since it is larger than the sum of its proper divisors (713013678323).

101230202230021 is a wasteful number, since it uses less digits than its factorization.

101230202230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431869271.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 101230202230021 its reverse (120032202032101), we get a palindrome (221262404262122).

The spelling of 101230202230021 in words is "one hundred one trillion, two hundred thirty billion, two hundred two million, two hundred thirty thousand, twenty-one".