2221030021967 has 2 divisors, whose sum is σ = 2221030021968. Its totient is φ = 2221030021966.

The previous prime is 2221030021949. The next prime is 2221030021981. The reversal of 2221030021967 is 7691200301222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221030021967 - 2¹⁰ = 2221030020943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221030021907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110515010983 + 1110515010984.

It is an arithmetic number, because the mean of its divisors is an integer number (1110515010984).

Almost surely, 2^{2221030021967} is an apocalyptic number.

2221030021967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221030021967 is an equidigital number, since it uses as much as digits as its factorization.

2221030021967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 2221030021967 in words is "two trillion, two hundred twenty-one billion, thirty million, twenty-one thousand, nine hundred sixty-seven".