100021301120971 has 2 divisors, whose sum is σ = 100021301120972. Its totient is φ = 100021301120970.

The previous prime is 100021301120953. The next prime is 100021301121029. The reversal of 100021301120971 is 179021103120001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100021301120971 - 2³¹ = 100019153637323 is a prime.

It is not a weakly prime, because it can be changed into another prime (100021301180971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010650560485 + 50010650560486.

It is an arithmetic number, because the mean of its divisors is an integer number (50010650560486).

Almost surely, 2^{100021301120971} is an apocalyptic number.

100021301120971 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021301120971 is an equidigital number, since it uses as much as digits as its factorization.

100021301120971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 28.

Adding to 100021301120971 its reverse (179021103120001), we get a palindrome (279042404240972).

The spelling of 100021301120971 in words is "one hundred trillion, twenty-one billion, three hundred one million, one hundred twenty thousand, nine hundred seventy-one".