201120122102021 has 8 divisors (see below), whose sum is σ = 202409020845024. Its totient is φ = 199831894493040.

The previous prime is 201120122101993. The next prime is 201120122102041. The reversal of 201120122102021 is 120201221021102.

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 201120122102021 - 2¹⁸ = 201120121839877 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 (201120122102041) 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, 167182235 + ... + 168380936.

It is an arithmetic number, because the mean of its divisors is an integer number (25301127605628).

Almost surely, 2^{201120122102021} is an apocalyptic number.

It is an amenable number.

201120122102021 is a deficient number, since it is larger than the sum of its proper divisors (1288898743003).

201120122102021 is a wasteful number, since it uses less digits than its factorization.

201120122102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335567011.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201120122102021 its reverse (120201221021102), we get a palindrome (321321343123123).

The spelling of 201120122102021 in words is "two hundred one trillion, one hundred twenty billion, one hundred twenty-two million, one hundred two thousand, twenty-one".