2221210311193 has 2 divisors, whose sum is σ = 2221210311194. Its totient is φ = 2221210311192.

The previous prime is 2221210311179. The next prime is 2221210311217. The reversal of 2221210311193 is 3911130121222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1497803927104 + 723406384089 = 1223848^2 + 850533^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221210311193 - 2⁵ = 2221210311161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221210341193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110605155596 + 1110605155597.

It is an arithmetic number, because the mean of its divisors is an integer number (1110605155597).

Almost surely, 2^{2221210311193} is an apocalyptic number.

It is an amenable number.

2221210311193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221210311193 is an equidigital number, since it uses as much as digits as its factorization.

2221210311193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 2221210311193 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, three hundred eleven thousand, one hundred ninety-three".