222010222000991 has 2 divisors, whose sum is σ = 222010222000992. Its totient is φ = 222010222000990.

The previous prime is 222010222000967. The next prime is 222010222001003. The reversal of 222010222000991 is 199000222010222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222010222000991 - 2¹⁰ = 222010221999967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222010222030991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005111000495 + 111005111000496.

It is an arithmetic number, because the mean of its divisors is an integer number (111005111000496).

Almost surely, 2^{222010222000991} is an apocalyptic number.

222010222000991 is a deficient number, since it is larger than the sum of its proper divisors (1).

222010222000991 is an equidigital number, since it uses as much as digits as its factorization.

222010222000991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 222010222000991 in words is "two hundred twenty-two trillion, ten billion, two hundred twenty-two million, nine hundred ninety-one", and thus it is an aban number.