2021020102247 has 2 divisors, whose sum is σ = 2021020102248. Its totient is φ = 2021020102246.

The previous prime is 2021020102207. The next prime is 2021020102271. The reversal of 2021020102247 is 7422010201202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021020102247 - 2⁶ = 2021020102183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021020102207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010510051123 + 1010510051124.

It is an arithmetic number, because the mean of its divisors is an integer number (1010510051124).

Almost surely, 2^{2021020102247} is an apocalyptic number.

2021020102247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021020102247 is an equidigital number, since it uses as much as digits as its factorization.

2021020102247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 2021020102247 its reverse (7422010201202), we get a palindrome (9443030303449).

The spelling of 2021020102247 in words is "two trillion, twenty-one billion, twenty million, one hundred two thousand, two hundred forty-seven".