201120021100321 has 2 divisors, whose sum is σ = 201120021100322. Its totient is φ = 201120021100320.

The previous prime is 201120021100307. The next prime is 201120021100367. The reversal of 201120021100321 is 123001120021102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194871521010321 + 6248500090000 = 13959639^2 + 2499700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201120021100321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201120021100295 and 201120021100304.

It is not a weakly prime, because it can be changed into another prime (201120021100301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560010550160 + 100560010550161.

It is an arithmetic number, because the mean of its divisors is an integer number (100560010550161).

Almost surely, 2^{201120021100321} is an apocalyptic number.

It is an amenable number.

201120021100321 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120021100321 is an equidigital number, since it uses as much as digits as its factorization.

201120021100321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 201120021100321 its reverse (123001120021102), we get a palindrome (324121141121423).

The spelling of 201120021100321 in words is "two hundred one trillion, one hundred twenty billion, twenty-one million, one hundred thousand, three hundred twenty-one".