101111201020201 has 4 divisors (see below), whose sum is σ = 101111230157652. Its totient is φ = 101111171882752.

The previous prime is 101111201020157. The next prime is 101111201020213. The reversal of 101111201020201 is 102020102111101.

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 28548931334400 + 72562269685801 = 5343120^2 + 8518349^2 .

It is a cyclic number.

It is not a de Polignac number, because 101111201020201 - 2¹³ = 101111201012009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101111201020231) 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, 8528836 + ... + 16582021.

It is an arithmetic number, because the mean of its divisors is an integer number (25277807539413).

Almost surely, 2^{101111201020201} is an apocalyptic number.

It is an amenable number.

101111201020201 is a deficient number, since it is larger than the sum of its proper divisors (29137451).

101111201020201 is an equidigital number, since it uses as much as digits as its factorization.

101111201020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29137450.

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

Adding to 101111201020201 its reverse (102020102111101), we get a palindrome (203131303131302).

The spelling of 101111201020201 in words is "one hundred one trillion, one hundred eleven billion, two hundred one million, twenty thousand, two hundred one".