2222012220991 has 2 divisors, whose sum is σ = 2222012220992. Its totient is φ = 2222012220990.

The previous prime is 2222012220979. The next prime is 2222012221003. The reversal of 2222012220991 is 1990222102222.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2222012220979) and next prime (2222012221003).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222012220991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222012220971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111006110495 + 1111006110496.

It is an arithmetic number, because the mean of its divisors is an integer number (1111006110496).

Almost surely, 2^{2222012220991} is an apocalyptic number.

2222012220991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222012220991 is an equidigital number, since it uses as much as digits as its factorization.

2222012220991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 2222012220991 in words is "two trillion, two hundred twenty-two billion, twelve million, two hundred twenty thousand, nine hundred ninety-one".