1122212120109 has 4 divisors (see below), whose sum is σ = 1496282826816. Its totient is φ = 748141413404.

The previous prime is 1122212120077. The next prime is 1122212120129. The reversal of 1122212120109 is 9010212122211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1122212120109 - 2⁵ = 1122212120077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122212120129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187035353349 + ... + 187035353354.

It is an arithmetic number, because the mean of its divisors is an integer number (374070706704).

Almost surely, 2^{1122212120109} is an apocalyptic number.

It is an amenable number.

1122212120109 is a deficient number, since it is larger than the sum of its proper divisors (374070706707).

1122212120109 is an equidigital number, since it uses as much as digits as its factorization.

1122212120109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374070706706.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 1122212120109 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred nine".