110111220001 has 4 divisors (see below), whose sum is σ = 110604992512. Its totient is φ = 109617447492.

The previous prime is 110111219993. The next prime is 110111220053. The reversal of 110111220001 is 100022111011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100022111011 = 55529 ⋅1801259.

It is a cyclic number.

It is not a de Polignac number, because 110111220001 - 2³ = 110111219993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110111220001.

It is not an unprimeable number, because it can be changed into a prime (110111220091) 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, 246885921 + ... + 246886366.

It is an arithmetic number, because the mean of its divisors is an integer number (27651248128).

Almost surely, 2^110111220001 is an apocalyptic number.

It is an amenable number.

110111220001 is a deficient number, since it is larger than the sum of its proper divisors (493772511).

110111220001 is an equidigital number, since it uses as much as digits as its factorization.

110111220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493772510.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110111220001 its reverse (100022111011), we get a palindrome (210133331012).

The spelling of 110111220001 in words is "one hundred ten billion, one hundred eleven million, two hundred twenty thousand, one".