220111200201209 has 2 divisors, whose sum is σ = 220111200201210. Its totient is φ = 220111200201208.

The previous prime is 220111200201197. The next prime is 220111200201253. The reversal of 220111200201209 is 902102002111022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217223824405225 + 2887375795984 = 14738515^2 + 1699228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220111200201209 is a prime.

It is not a weakly prime, because it can be changed into another prime (220111200801209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110055600100604 + 110055600100605.

It is an arithmetic number, because the mean of its divisors is an integer number (110055600100605).

Almost surely, 2^{220111200201209} is an apocalyptic number.

It is an amenable number.

220111200201209 is a deficient number, since it is larger than the sum of its proper divisors (1).

220111200201209 is an equidigital number, since it uses as much as digits as its factorization.

220111200201209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 220111200201209 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred million, two hundred one thousand, two hundred nine".