220111010012111 has 8 divisors (see below), whose sum is σ = 230087458406400. Its totient is φ = 210314317444920.

The previous prime is 220111010012081. The next prime is 220111010012129. The reversal of 220111010012111 is 111210010111022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220111010012111 is a prime.

It is a super-3 number, since 3×220111010012111³ (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 (220111018012111) 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, 44938954271 + ... + 44938959168.

It is an arithmetic number, because the mean of its divisors is an integer number (28760932300800).

Almost surely, 2^{220111010012111} is an apocalyptic number.

220111010012111 is a deficient number, since it is larger than the sum of its proper divisors (9976448394289).

220111010012111 is an equidigital number, since it uses as much as digits as its factorization.

220111010012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89877913549.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 220111010012111 its reverse (111210010111022), we get a palindrome (331321020123133).

The spelling of 220111010012111 in words is "two hundred twenty trillion, one hundred eleven billion, ten million, twelve thousand, one hundred eleven".