20212222104727 has 2 divisors, whose sum is σ = 20212222104728. Its totient is φ = 20212222104726.

The previous prime is 20212222104721. The next prime is 20212222104751. The reversal of 20212222104727 is 72740122221202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212222104727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20212222104692 and 20212222104701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212222104721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106111052363 + 10106111052364.

It is an arithmetic number, because the mean of its divisors is an integer number (10106111052364).

Almost surely, 2^{20212222104727} is an apocalyptic number.

20212222104727 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212222104727 is an equidigital number, since it uses as much as digits as its factorization.

20212222104727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 34.

Adding to 20212222104727 its reverse (72740122221202), we get a palindrome (92952344325929).

The spelling of 20212222104727 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two million, one hundred four thousand, seven hundred twenty-seven".