220201111222101 has 24 divisors (see below), whose sum is σ = 321905295021024. Its totient is φ = 145036031733600.

The previous prime is 220201111222073. The next prime is 220201111222121. The reversal of 220201111222101 is 101222111102022.

220201111222101 is a `hidden beast` number, since 220 + 2 + 0 + 111 + 122 + 210 + 1 = 666.

It is not a de Polignac number, because 220201111222101 - 2⁹ = 220201111221589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220201111222121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258938931 + ... + 259787936.

It is an arithmetic number, because the mean of its divisors is an integer number (13412720625876).

Almost surely, 2^{220201111222101} is an apocalyptic number.

It is an amenable number.

220201111222101 is a deficient number, since it is larger than the sum of its proper divisors (101704183798923).

220201111222101 is a wasteful number, since it uses less digits than its factorization.

220201111222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518727441 (or 518727438 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220201111222101 its reverse (101222111102022), we get a palindrome (321423222324123).

The spelling of 220201111222101 in words is "two hundred twenty trillion, two hundred one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred one".