201120211103321 has 4 divisors (see below), whose sum is σ = 203875282488372. Its totient is φ = 198365139718272.

The previous prime is 201120211103297. The next prime is 201120211103341. The reversal of 201120211103321 is 123301112021102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37854043774096 + 163266167329225 = 6152564^2 + 12777565^2 .

It is a cyclic number.

It is not a de Polignac number, because 201120211103321 - 2³⁴ = 201103031234137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201120211103293 and 201120211103302.

It is not an unprimeable number, because it can be changed into a prime (201120211103341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377535692416 + ... + 1377535692561.

It is an arithmetic number, because the mean of its divisors is an integer number (50968820622093).

Almost surely, 2^{201120211103321} is an apocalyptic number.

It is an amenable number.

201120211103321 is a deficient number, since it is larger than the sum of its proper divisors (2755071385051).

201120211103321 is an equidigital number, since it uses as much as digits as its factorization.

201120211103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755071385050.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 201120211103321 its reverse (123301112021102), we get a palindrome (324421323124423).

The spelling of 201120211103321 in words is "two hundred one trillion, one hundred twenty billion, two hundred eleven million, one hundred three thousand, three hundred twenty-one".