201120122221121 has 8 divisors (see below), whose sum is σ = 201197850350400. Its totient is φ = 201042409094032.

The previous prime is 201120122221063. The next prime is 201120122221129. The reversal of 201120122221121 is 121122221021102.

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-201120122221121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201120122221093 and 201120122221102.

It is not an unprimeable number, because it can be changed into a prime (201120122221129) 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, 23103866 + ... + 30594588.

It is an arithmetic number, because the mean of its divisors is an integer number (25149731293800).

Almost surely, 2^{201120122221121} is an apocalyptic number.

It is an amenable number.

201120122221121 is a deficient number, since it is larger than the sum of its proper divisors (77728129279).

201120122221121 is an equidigital number, since it uses as much as digits as its factorization.

201120122221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501095.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201120122221121 its reverse (121122221021102), we get a palindrome (322242343242223).

The spelling of 201120122221121 in words is "two hundred one trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".