220111121020111 has 8 divisors (see below), whose sum is σ = 234735516282960. Its totient is φ = 205673023786368.

The previous prime is 220111121020093. The next prime is 220111121020171. The reversal of 220111121020111 is 111020121111022.

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

It is not a de Polignac number, because 220111121020111 - 2²³ = 220111112631503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111121020171) 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, 46574504836 + ... + 46574509561.

It is an arithmetic number, because the mean of its divisors is an integer number (29341939535370).

Almost surely, 2^{220111121020111} is an apocalyptic number.

220111121020111 is a deficient number, since it is larger than the sum of its proper divisors (14624395262849).

220111121020111 is a wasteful number, since it uses less digits than its factorization.

220111121020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93149014553.

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

Adding to 220111121020111 its reverse (111020121111022), we get a palindrome (331131242131133).

The spelling of 220111121020111 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twenty-one million, twenty thousand, one hundred eleven".