100021300231033 has 4 divisors (see below), whose sum is σ = 100060539660900. Its totient is φ = 99982060801168.

The previous prime is 100021300231007. The next prime is 100021300231079. The reversal of 100021300231033 is 330132003120001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48572355155769 + 51448945075264 = 6969387^2 + 7172792^2 .

It is a cyclic number.

It is not a de Polignac number, because 100021300231033 - 2²⁹ = 100020763360121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100021300231033.

It is not an unprimeable number, because it can be changed into a prime (100021300231003) 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, 19619711110 + ... + 19619716207.

It is an arithmetic number, because the mean of its divisors is an integer number (25015134915225).

Almost surely, 2^{100021300231033} is an apocalyptic number.

It is an amenable number.

100021300231033 is a deficient number, since it is larger than the sum of its proper divisors (39239429867).

100021300231033 is an equidigital number, since it uses as much as digits as its factorization.

100021300231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39239429866.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100021300231033 its reverse (330132003120001), we get a palindrome (430153303351034).

The spelling of 100021300231033 in words is "one hundred trillion, twenty-one billion, three hundred million, two hundred thirty-one thousand, thirty-three".