20212010022247 has 2 divisors, whose sum is σ = 20212010022248. Its totient is φ = 20212010022246.

The previous prime is 20212010022203. The next prime is 20212010022283. The reversal of 20212010022247 is 74222001021202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20212010022247 - 2¹¹ = 20212010020199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212010022647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106005011123 + 10106005011124.

It is an arithmetic number, because the mean of its divisors is an integer number (10106005011124).

Almost surely, 2^{20212010022247} is an apocalyptic number.

20212010022247 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212010022247 is an equidigital number, since it uses as much as digits as its factorization.

20212010022247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 20212010022247 its reverse (74222001021202), we get a palindrome (94434011043449).

The spelling of 20212010022247 in words is "twenty trillion, two hundred twelve billion, ten million, twenty-two thousand, two hundred forty-seven".