220111020211109 has 2 divisors, whose sum is σ = 220111020211110. Its totient is φ = 220111020211108.

The previous prime is 220111020211091. The next prime is 220111020211163. The reversal of 220111020211109 is 901112020111022.

It is a happy number.

220111020211109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (220111020211091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190461666616225 + 29649353594884 = 13800785^2 + 5445122^2 .

It is a cyclic number.

It is not a de Polignac number, because 220111020211109 - 2⁴⁰ = 219011508583333 is a prime.

It is a super-2 number, since 2×220111020211109² (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 (220111020213109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110055510105554 + 110055510105555.

It is an arithmetic number, because the mean of its divisors is an integer number (110055510105555).

Almost surely, 2^{220111020211109} is an apocalyptic number.

It is an amenable number.

220111020211109 is a deficient number, since it is larger than the sum of its proper divisors (1).

220111020211109 is an equidigital number, since it uses as much as digits as its factorization.

220111020211109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 220111020211109 in words is "two hundred twenty trillion, one hundred eleven billion, twenty million, two hundred eleven thousand, one hundred nine".