220011220220101 has 2 divisors, whose sum is σ = 220011220220102. Its totient is φ = 220011220220100.

The previous prime is 220011220220087. The next prime is 220011220220111. The reversal of 220011220220101 is 101022022110022.

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., 157627271700900 + 62383948519201 = 12554970^2 + 7898351^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011220220101 - 2⁴⁵ = 184826848131269 is a prime.

It is a super-2 number, since 2×220011220220101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220011220220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005610110050 + 110005610110051.

It is an arithmetic number, because the mean of its divisors is an integer number (110005610110051).

Almost surely, 2^{220011220220101} is an apocalyptic number.

It is an amenable number.

220011220220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011220220101 is an equidigital number, since it uses as much as digits as its factorization.

220011220220101 is an evil number, because the sum of its binary digits is even.

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

Adding to 220011220220101 its reverse (101022022110022), we get a palindrome (321033242330123).

The spelling of 220011220220101 in words is "two hundred twenty trillion, eleven billion, two hundred twenty million, two hundred twenty thousand, one hundred one".