201121002110221 has 8 divisors (see below), whose sum is σ = 201699651744000. Its totient is φ = 200542454832720.

The previous prime is 201121002110209. The next prime is 201121002110261. The reversal of 201121002110221 is 122011200121102.

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 201121002110221 - 2¹³ = 201121002102029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201121002110195 and 201121002110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121002110261) 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, 21652725 + ... + 29514106.

It is an arithmetic number, because the mean of its divisors is an integer number (25212456468000).

Almost surely, 2^{201121002110221} is an apocalyptic number.

It is an amenable number.

201121002110221 is a deficient number, since it is larger than the sum of its proper divisors (578649633779).

201121002110221 is a wasteful number, since it uses less digits than its factorization.

201121002110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51178139.

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

Adding to 201121002110221 its reverse (122011200121102), we get a palindrome (323132202231323).

The spelling of 201121002110221 in words is "two hundred one trillion, one hundred twenty-one billion, two million, one hundred ten thousand, two hundred twenty-one".