20221111010201 has 2 divisors, whose sum is σ = 20221111010202. Its totient is φ = 20221111010200.

The previous prime is 20221111010173. The next prime is 20221111010209. The reversal of 20221111010201 is 10201011112202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10584904368025 + 9636206642176 = 3253445^2 + 3104224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221111010201 is a prime.

It is not a weakly prime, because it can be changed into another prime (20221111010209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110555505100 + 10110555505101.

It is an arithmetic number, because the mean of its divisors is an integer number (10110555505101).

Almost surely, 2^{20221111010201} is an apocalyptic number.

It is an amenable number.

20221111010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221111010201 is an equidigital number, since it uses as much as digits as its factorization.

20221111010201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20221111010201 its reverse (10201011112202), we get a palindrome (30422122122403).

The spelling of 20221111010201 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, ten thousand, two hundred one".