21202122083627 has 2 divisors, whose sum is σ = 21202122083628. Its totient is φ = 21202122083626.

The previous prime is 21202122083561. The next prime is 21202122083647. The reversal of 21202122083627 is 72638022120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21202122083627 - 2¹² = 21202122079531 is a prime.

It is not a weakly prime, because it can be changed into another prime (21202122083647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601061041813 + 10601061041814.

It is an arithmetic number, because the mean of its divisors is an integer number (10601061041814).

Almost surely, 2^{21202122083627} is an apocalyptic number.

21202122083627 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202122083627 is an equidigital number, since it uses as much as digits as its factorization.

21202122083627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 21202122083627 in words is "twenty-one trillion, two hundred two billion, one hundred twenty-two million, eighty-three thousand, six hundred twenty-seven".