1222408619011 has 2 divisors, whose sum is σ = 1222408619012. Its totient is φ = 1222408619010.

The previous prime is 1222408619009. The next prime is 1222408619071. The reversal of 1222408619011 is 1109168042221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222408619011 - 2¹ = 1222408619009 is a prime.

Together with 1222408619009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1222408619071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611204309505 + 611204309506.

It is an arithmetic number, because the mean of its divisors is an integer number (611204309506).

Almost surely, 2^{1222408619011} is an apocalyptic number.

1222408619011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222408619011 is an equidigital number, since it uses as much as digits as its factorization.

1222408619011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 1222408619011 in words is "one trillion, two hundred twenty-two billion, four hundred eight million, six hundred nineteen thousand, eleven".