220001210111 has 8 divisors (see below), whose sum is σ = 224770957824. Its totient is φ = 215278922880.

The previous prime is 220001210063. The next prime is 220001210123. The reversal of 220001210111 is 111012100022.

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 220001210111 - 2¹⁸ = 220000947967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220001210092 and 220001210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001210171) 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, 11855750 + ... + 11874291.

It is an arithmetic number, because the mean of its divisors is an integer number (28096369728).

Almost surely, 2^220001210111 is an apocalyptic number.

220001210111 is a deficient number, since it is larger than the sum of its proper divisors (4769747713).

220001210111 is a wasteful number, since it uses less digits than its factorization.

220001210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23730241.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220001210111 its reverse (111012100022), we get a palindrome (331013310133).

The spelling of 220001210111 in words is "two hundred twenty billion, one million, two hundred ten thousand, one hundred eleven".