220122201011101 has 4 divisors (see below), whose sum is σ = 220122358717500. Its totient is φ = 220122043304704.

The previous prime is 220122201011071. The next prime is 220122201011129. The reversal of 220122201011101 is 101110102221022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187374347825625 + 32747853185476 = 13688475^2 + 5722574^2 .

It is a cyclic number.

It is not a de Polignac number, because 220122201011101 - 2¹⁵ = 220122200978333 is a prime.

It is a super-3 number, since 3×220122201011101³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122201011501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76740676 + ... + 79557373.

It is an arithmetic number, because the mean of its divisors is an integer number (55030589679375).

Almost surely, 2^{220122201011101} is an apocalyptic number.

It is an amenable number.

220122201011101 is a deficient number, since it is larger than the sum of its proper divisors (157706399).

220122201011101 is a wasteful number, since it uses less digits than its factorization.

220122201011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157706398.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220122201011101 its reverse (101110102221022), we get a palindrome (321232303232123).

The spelling of 220122201011101 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred one million, eleven thousand, one hundred one".