221110121100001 has 8 divisors (see below), whose sum is σ = 263684119572864. Its totient is φ = 181282832206080.

The previous prime is 221110121099993. The next prime is 221110121100023. The reversal of 221110121100001 is 100001121011122.

It is a happy number.

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 221110121100001 - 2³ = 221110121099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221110121100061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686677394560 + ... + 686677394881.

It is an arithmetic number, because the mean of its divisors is an integer number (32960514946608).

Almost surely, 2^{221110121100001} is an apocalyptic number.

It is an amenable number.

221110121100001 is a deficient number, since it is larger than the sum of its proper divisors (42573998472863).

221110121100001 is a wasteful number, since it uses less digits than its factorization.

221110121100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373354789471.

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

Adding to 221110121100001 its reverse (100001121011122), we get a palindrome (321111242111123).

The spelling of 221110121100001 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred twenty-one million, one hundred thousand, one".