1022122102009 has 2 divisors, whose sum is σ = 1022122102010. Its totient is φ = 1022122102008.

The previous prime is 1022122102007. The next prime is 1022122102069. The reversal of 1022122102009 is 9002012212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557471289600 + 464650812409 = 746640^2 + 681653^2 .

It is an emirp because it is prime and its reverse (9002012212201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022122102009 - 2¹ = 1022122102007 is a prime.

Together with 1022122102007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1022122102007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511061051004 + 511061051005.

It is an arithmetic number, because the mean of its divisors is an integer number (511061051005).

Almost surely, 2^{1022122102009} is an apocalyptic number.

It is an amenable number.

1022122102009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022122102009 is an equidigital number, since it uses as much as digits as its factorization.

1022122102009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1022122102009 in words is "one trillion, twenty-two billion, one hundred twenty-two million, one hundred two thousand, nine".