110001022121201 has 4 divisors (see below), whose sum is σ = 110001043132404. Its totient is φ = 110001001110000.

The previous prime is 110001022121147. The next prime is 110001022121213. The reversal of 110001022121201 is 102121220100011.

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 57725577130225 + 52275444990976 = 7597735^2 + 7230176^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001022121201 - 2¹⁰ = 110001022120177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110001022721201) 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, 4344551 + ... + 15455651.

It is an arithmetic number, because the mean of its divisors is an integer number (27500260783101).

Almost surely, 2^{110001022121201} is an apocalyptic number.

It is an amenable number.

110001022121201 is a deficient number, since it is larger than the sum of its proper divisors (21011203).

110001022121201 is an equidigital number, since it uses as much as digits as its factorization.

110001022121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011202.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110001022121201 its reverse (102121220100011), we get a palindrome (212122242221212).

The spelling of 110001022121201 in words is "one hundred ten trillion, one billion, twenty-two million, one hundred twenty-one thousand, two hundred one".