220020101101 has 2 divisors, whose sum is σ = 220020101102. Its totient is φ = 220020101100.

The previous prime is 220020101087. The next prime is 220020101111. The reversal of 220020101101 is 101101020022.

It is an a-pointer prime, because the next prime (220020101111) can be obtained adding 220020101101 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145286757225 + 74733343876 = 381165^2 + 273374^2 .

It is a cyclic number.

It is not a de Polignac number, because 220020101101 - 2⁵ = 220020101069 is a prime.

It is a super-2 number, since 2×220020101101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220020101111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010050550 + 110010050551.

It is an arithmetic number, because the mean of its divisors is an integer number (110010050551).

Almost surely, 2^220020101101 is an apocalyptic number.

It is an amenable number.

220020101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020101101 is an equidigital number, since it uses as much as digits as its factorization.

220020101101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 220020101101 its reverse (101101020022), we get a palindrome (321121121123).

The spelling of 220020101101 in words is "two hundred twenty billion, twenty million, one hundred one thousand, one hundred one".