201121000110221 has 8 divisors (see below), whose sum is σ = 201298751156160. Its totient is φ = 200943257345152.

The previous prime is 201121000110181. The next prime is 201121000110269. The reversal of 201121000110221 is 122011000121102.

201121000110221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201121000110221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201121000110196 and 201121000110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121000110521) 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, 47040536 + ... + 51137598.

It is an arithmetic number, because the mean of its divisors is an integer number (25162343894520).

Almost surely, 2^{201121000110221} is an apocalyptic number.

It is an amenable number.

201121000110221 is a deficient number, since it is larger than the sum of its proper divisors (177751045939).

201121000110221 is a wasteful number, since it uses less digits than its factorization.

201121000110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140435.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201121000110221 its reverse (122011000121102), we get a palindrome (323132000231323).

The spelling of 201121000110221 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred ten thousand, two hundred twenty-one".