1222101002609 has 2 divisors, whose sum is σ = 1222101002610. Its totient is φ = 1222101002608.

The previous prime is 1222101002513. The next prime is 1222101002611. The reversal of 1222101002609 is 9062001012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1124649645025 + 97451357584 = 1060495^2 + 312172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222101002609 - 2⁴⁰ = 122589374833 is a prime.

Together with 1222101002611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1222101002009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050501304 + 611050501305.

It is an arithmetic number, because the mean of its divisors is an integer number (611050501305).

Almost surely, 2^{1222101002609} is an apocalyptic number.

It is an amenable number.

1222101002609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222101002609 is an equidigital number, since it uses as much as digits as its factorization.

1222101002609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1222101002609 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two thousand, six hundred nine".