111220020101 has 8 divisors (see below), whose sum is σ = 111374718240. Its totient is φ = 111065402448.

The previous prime is 111220020089. The next prime is 111220020137. The reversal of 111220020101 is 101020022111.

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 111220020101 - 2¹⁰ = 111220019077 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 (111220020001) 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, 3068255 + ... + 3104291.

It is an arithmetic number, because the mean of its divisors is an integer number (13921839780).

Almost surely, 2^111220020101 is an apocalyptic number.

It is an amenable number.

111220020101 is a deficient number, since it is larger than the sum of its proper divisors (154698139).

111220020101 is an equidigital number, since it uses as much as digits as its factorization.

111220020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40243.

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

Adding to 111220020101 its reverse (101020022111), we get a palindrome (212240042212).

The spelling of 111220020101 in words is "one hundred eleven billion, two hundred twenty million, twenty thousand, one hundred one".