110201200021001 has 4 divisors (see below), whose sum is σ = 110201405158404. Its totient is φ = 110200994883600.

The previous prime is 110201200020983. The next prime is 110201200021109. The reversal of 110201200021001 is 100120002102011.

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 42871380045376 + 67329819975625 = 6547624^2 + 8205475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110201200021001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110201200021201) 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, 101760770 + ... + 102838011.

It is an arithmetic number, because the mean of its divisors is an integer number (27550351289601).

Almost surely, 2^{110201200021001} is an apocalyptic number.

It is an amenable number.

110201200021001 is a deficient number, since it is larger than the sum of its proper divisors (205137403).

110201200021001 is an equidigital number, since it uses as much as digits as its factorization.

110201200021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205137402.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110201200021001 its reverse (100120002102011), we get a palindrome (210321202123012).

The spelling of 110201200021001 in words is "one hundred ten trillion, two hundred one billion, two hundred million, twenty-one thousand, one".