201121202222101 has 8 divisors (see below), whose sum is σ = 231136896409920. Its totient is φ = 171426531501888.

The previous prime is 201121202222047. The next prime is 201121202222113. The reversal of 201121202222101 is 101222202121102.

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 201121202222101 - 2¹⁵ = 201121202189333 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 (201121202228101) 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, 80255865556 + ... + 80255868061.

It is an arithmetic number, because the mean of its divisors is an integer number (28892112051240).

Almost surely, 2^{201121202222101} is an apocalyptic number.

It is an amenable number.

201121202222101 is a deficient number, since it is larger than the sum of its proper divisors (30015694187819).

201121202222101 is a wasteful number, since it uses less digits than its factorization.

201121202222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160511733803.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201121202222101 its reverse (101222202121102), we get a palindrome (302343404343203).

The spelling of 201121202222101 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, one hundred one".