2021200102247 has 2 divisors, whose sum is σ = 2021200102248. Its totient is φ = 2021200102246.

The previous prime is 2021200102217. The next prime is 2021200102277. The reversal of 2021200102247 is 7422010021202.

It is a balanced prime because it is at equal distance from previous prime (2021200102217) and next prime (2021200102277).

It is a cyclic number.

It is not a de Polignac number, because 2021200102247 - 2³⁰ = 2020126360423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021200102217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010600051123 + 1010600051124.

It is an arithmetic number, because the mean of its divisors is an integer number (1010600051124).

Almost surely, 2^{2021200102247} is an apocalyptic number.

2021200102247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021200102247 is an equidigital number, since it uses as much as digits as its factorization.

2021200102247 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 2021200102247 its reverse (7422010021202), we get a palindrome (9443210123449).

The spelling of 2021200102247 in words is "two trillion, twenty-one billion, two hundred million, one hundred two thousand, two hundred forty-seven".