220101220111 has 8 divisors (see below), whose sum is σ = 224042117024. Its totient is φ = 216185345280.

The previous prime is 220101220093. The next prime is 220101220121. The reversal of 220101220111 is 111022101022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220101220111 - 2²¹ = 220099122959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220101220091 and 220101220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101220121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6237771 + ... + 6272956.

It is an arithmetic number, because the mean of its divisors is an integer number (28005264628).

Almost surely, 2^220101220111 is an apocalyptic number.

220101220111 is a deficient number, since it is larger than the sum of its proper divisors (3940896913).

220101220111 is a wasteful number, since it uses less digits than its factorization.

220101220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12511041.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220101220111 its reverse (111022101022), we get a palindrome (331123321133).

The spelling of 220101220111 in words is "two hundred twenty billion, one hundred one million, two hundred twenty thousand, one hundred eleven".