220111102303121 has 24 divisors (see below), whose sum is σ = 233094350944224. Its totient is φ = 207818502534720.

The previous prime is 220111102303117. The next prime is 220111102303153. The reversal of 220111102303121 is 121303201111022.

It is not a de Polignac number, because 220111102303121 - 2² = 220111102303117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220111102303093 and 220111102303102.

It is not an unprimeable number, because it can be changed into a prime (220111102305121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 828964046 + ... + 829229528.

It is an arithmetic number, because the mean of its divisors is an integer number (9712264622676).

Almost surely, 2^{220111102303121} is an apocalyptic number.

It is an amenable number.

220111102303121 is a deficient number, since it is larger than the sum of its proper divisors (12983248641103).

220111102303121 is a wasteful number, since it uses less digits than its factorization.

220111102303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273309 (or 273290 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 220111102303121 its reverse (121303201111022), we get a palindrome (341414303414143).

The spelling of 220111102303121 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred two million, three hundred three thousand, one hundred twenty-one".