110121120200101 has 4 divisors (see below), whose sum is σ = 110231572678732. Its totient is φ = 110010667721472.

The previous prime is 110121120200081. The next prime is 110121120200111. The reversal of 110121120200101 is 101002021121011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100721316072001 + 9399804128100 = 10036001^2 + 3065910^2 .

It is a cyclic number.

It is not a de Polignac number, because 110121120200101 - 2⁷ = 110121120199973 is a prime.

It is a super-2 number, since 2×110121120200101² (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 (110121120200111) 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, 55226237820 + ... + 55226239813.

It is an arithmetic number, because the mean of its divisors is an integer number (27557893169683).

Almost surely, 2^{110121120200101} is an apocalyptic number.

It is an amenable number.

110121120200101 is a deficient number, since it is larger than the sum of its proper divisors (110452478631).

110121120200101 is an equidigital number, since it uses as much as digits as its factorization.

110121120200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110452478630.

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

Adding to 110121120200101 its reverse (101002021121011), we get a palindrome (211123141321112).

The spelling of 110121120200101 in words is "one hundred ten trillion, one hundred twenty-one billion, one hundred twenty million, two hundred thousand, one hundred one".