201101201222101 has 8 divisors (see below), whose sum is σ = 204410088847800. Its totient is φ = 197792705423040.

The previous prime is 201101201222057. The next prime is 201101201222107. The reversal of 201101201222101 is 101222102101102.

It can be written as a sum of positive squares in 4 ways, for example, as 36174631266225 + 164926569955876 = 6014535^2 + 12842374^2 .

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 201101201222101 - 2²⁵ = 201101167667669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101201222107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96921646 + ... + 98974783.

It is an arithmetic number, because the mean of its divisors is an integer number (25551261105975).

Almost surely, 2^{201101201222101} is an apocalyptic number.

It is an amenable number.

201101201222101 is a deficient number, since it is larger than the sum of its proper divisors (3308887625699).

201101201222101 is a wasteful number, since it uses less digits than its factorization.

201101201222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195913319.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201101201222101 its reverse (101222102101102), we get a palindrome (302323303323203).

The spelling of 201101201222101 in words is "two hundred one trillion, one hundred one billion, two hundred one million, two hundred twenty-two thousand, one hundred one".