1220200222291 has 2 divisors, whose sum is σ = 1220200222292. Its totient is φ = 1220200222290.

The previous prime is 1220200222277. The next prime is 1220200222303. The reversal of 1220200222291 is 1922220020221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220200222291 - 2¹¹ = 1220200220243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220207222291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610100111145 + 610100111146.

It is an arithmetic number, because the mean of its divisors is an integer number (610100111146).

Almost surely, 2^{1220200222291} is an apocalyptic number.

1220200222291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220200222291 is an equidigital number, since it uses as much as digits as its factorization.

1220200222291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 1220200222291 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred twenty-two thousand, two hundred ninety-one".