220102112111 has 12 divisors (see below), whose sum is σ = 256265208792. Its totient is φ = 188490910608.

The previous prime is 220102112099. The next prime is 220102112141. The reversal of 220102112111 is 111211201022.

It is not a de Polignac number, because 220102112111 - 2³⁰ = 219028370287 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 (220102112141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1944920 + ... + 2054973.

It is an arithmetic number, because the mean of its divisors is an integer number (21355434066).

Almost surely, 2^220102112111 is an apocalyptic number.

220102112111 is a deficient number, since it is larger than the sum of its proper divisors (36163096681).

220102112111 is a wasteful number, since it uses less digits than its factorization.

220102112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001030 (or 4001023 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220102112111 its reverse (111211201022), we get a palindrome (331313313133).

The spelling of 220102112111 in words is "two hundred twenty billion, one hundred two million, one hundred twelve thousand, one hundred eleven".