20212202110201 has 2 divisors, whose sum is σ = 20212202110202. Its totient is φ = 20212202110200.

The previous prime is 20212202110183. The next prime is 20212202110237. The reversal of 20212202110201 is 10201120221202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12106502713600 + 8105699396601 = 3479440^2 + 2847051^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212202110201 - 2⁵ = 20212202110169 is a prime.

It is a super-2 number, since 2×20212202110201² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20212202110271) 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, 10106101055100 + 10106101055101.

It is an arithmetic number, because the mean of its divisors is an integer number (10106101055101).

Almost surely, 2^{20212202110201} is an apocalyptic number.

It is an amenable number.

20212202110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212202110201 is an equidigital number, since it uses as much as digits as its factorization.

20212202110201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212202110201 its reverse (10201120221202), we get a palindrome (30413322331403).

The spelling of 20212202110201 in words is "twenty trillion, two hundred twelve billion, two hundred two million, one hundred ten thousand, two hundred one".