220011222020101 has 2 divisors, whose sum is σ = 220011222020102. Its totient is φ = 220011222020100.

The previous prime is 220011222020077. The next prime is 220011222020113. The reversal of 220011222020101 is 101020222110022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203759237629476 + 16251984390625 = 14274426^2 + 4031375^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011222020101 - 2²³ = 220011213631493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220011222027101) 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, 110005611010050 + 110005611010051.

It is an arithmetic number, because the mean of its divisors is an integer number (110005611010051).

Almost surely, 2^{220011222020101} is an apocalyptic number.

It is an amenable number.

220011222020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011222020101 is an equidigital number, since it uses as much as digits as its factorization.

220011222020101 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 220011222020101 its reverse (101020222110022), we get a palindrome (321031444130123).

The spelling of 220011222020101 in words is "two hundred twenty trillion, eleven billion, two hundred twenty-two million, twenty thousand, one hundred one".