1222101002009 has 2 divisors, whose sum is σ = 1222101002010. Its totient is φ = 1222101002008.

The previous prime is 1222101001987. The next prime is 1222101002093. The reversal of 1222101002009 is 9002001012221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 860182051600 + 361918950409 = 927460^2 + 601597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222101002009 is a prime.

It is a super-2 number, since 2×1222101002009² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222101002099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050501004 + 611050501005.

It is an arithmetic number, because the mean of its divisors is an integer number (611050501005).

Almost surely, 2^{1222101002009} is an apocalyptic number.

It is an amenable number.

1222101002009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222101002009 is an equidigital number, since it uses as much as digits as its factorization.

1222101002009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1222101002009 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two thousand, nine".