111220101001101 has 8 divisors (see below), whose sum is σ = 151448648171904. Its totient is φ = 72569143915520.

The previous prime is 111220101001091. The next prime is 111220101001151. The reversal of 111220101001101 is 101100101022111.

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 111220101001101 - 2¹⁹ = 111220100476813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220101001151) 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, 394397521140 + ... + 394397521421.

It is an arithmetic number, because the mean of its divisors is an integer number (18931081021488).

Almost surely, 2^{111220101001101} is an apocalyptic number.

It is an amenable number.

111220101001101 is a deficient number, since it is larger than the sum of its proper divisors (40228547170803).

111220101001101 is an equidigital number, since it uses as much as digits as its factorization.

111220101001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788795042611.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111220101001101 its reverse (101100101022111), we get a palindrome (212320202023212).

The spelling of 111220101001101 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred one million, one thousand, one hundred one".