111201220001101 has 4 divisors (see below), whose sum is σ = 111201242790304. Its totient is φ = 111201197211900.

The previous prime is 111201220001093. The next prime is 111201220001189. The reversal of 111201220001101 is 101100022102111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111201220001101 - 2³ = 111201220001093 is a prime.

It is a super-2 number, since 2×111201220001101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201220002101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778065 + ... + 14933446.

It is an arithmetic number, because the mean of its divisors is an integer number (27800310697576).

Almost surely, 2^{111201220001101} is an apocalyptic number.

It is an amenable number.

111201220001101 is a deficient number, since it is larger than the sum of its proper divisors (22789203).

111201220001101 is an equidigital number, since it uses as much as digits as its factorization.

111201220001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22789202.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111201220001101 its reverse (101100022102111), we get a palindrome (212301242103212).

The spelling of 111201220001101 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty million, one thousand, one hundred one".