1112221102009 has 2 divisors, whose sum is σ = 1112221102010. Its totient is φ = 1112221102008.

The previous prime is 1112221101949. The next prime is 1112221102043. The reversal of 1112221102009 is 9002011222111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677570983609 + 434650118400 = 823147^2 + 659280^2 .

It is an emirp because it is prime and its reverse (9002011222111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112221102009 - 2³¹ = 1110073618361 is a prime.

It is a super-2 number, since 2×1112221102009² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112221102099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556110551004 + 556110551005.

It is an arithmetic number, because the mean of its divisors is an integer number (556110551005).

Almost surely, 2^{1112221102009} is an apocalyptic number.

It is an amenable number.

1112221102009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112221102009 is an equidigital number, since it uses as much as digits as its factorization.

1112221102009 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 22.

The spelling of 1112221102009 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, one hundred two thousand, nine".