100021072253 has 2 divisors, whose sum is σ = 100021072254. Its totient is φ = 100021072252.

The previous prime is 100021072247. The next prime is 100021072303. The reversal of 100021072253 is 352270120001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69475470724 + 30545601529 = 263582^2 + 174773^2 .

It is an emirp because it is prime and its reverse (352270120001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100021072253 - 2⁴ = 100021072237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021072153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010536126 + 50010536127.

It is an arithmetic number, because the mean of its divisors is an integer number (50010536127).

Almost surely, 2^100021072253 is an apocalyptic number.

It is an amenable number.

100021072253 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021072253 is an equidigital number, since it uses as much as digits as its factorization.

100021072253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

Adding to 100021072253 its reverse (352270120001), we get a palindrome (452291192254).

The spelling of 100021072253 in words is "one hundred billion, twenty-one million, seventy-two thousand, two hundred fifty-three".