221004020002273 has 2 divisors, whose sum is σ = 221004020002274. Its totient is φ = 221004020002272.

The previous prime is 221004020002247. The next prime is 221004020002313. The reversal of 221004020002273 is 372200020400122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216985626906624 + 4018393095649 = 14730432^2 + 2004593^2 .

It is a cyclic number.

It is not a de Polignac number, because 221004020002273 - 2¹³ = 221004019994081 is a prime.

It is not a weakly prime, because it can be changed into another prime (221004020002573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110502010001136 + 110502010001137.

It is an arithmetic number, because the mean of its divisors is an integer number (110502010001137).

Almost surely, 2^{221004020002273} is an apocalyptic number.

It is an amenable number.

221004020002273 is a deficient number, since it is larger than the sum of its proper divisors (1).

221004020002273 is an equidigital number, since it uses as much as digits as its factorization.

221004020002273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 221004020002273 its reverse (372200020400122), we get a palindrome (593204040402395).

The spelling of 221004020002273 in words is "two hundred twenty-one trillion, four billion, twenty million, two thousand, two hundred seventy-three".