111220000001 has 8 divisors (see below), whose sum is σ = 121335578208. Its totient is φ = 101105200000.

The previous prime is 111219999991. The next prime is 111220000037. The reversal of 111220000001 is 100000022111.

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 111220000001 - 2²² = 111215805697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111220000061) 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, 127466 + ... + 488556.

It is an arithmetic number, because the mean of its divisors is an integer number (15166947276).

Almost surely, 2^111220000001 is an apocalyptic number.

111220000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111220000001 is a deficient number, since it is larger than the sum of its proper divisors (10115578207).

111220000001 is a wasteful number, since it uses less digits than its factorization.

111220000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389103.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 111220000001 its reverse (100000022111), we get a palindrome (211220022112).

The spelling of 111220000001 in words is "one hundred eleven billion, two hundred twenty million, one", and thus it is an aban number.