1121012020109 has 8 divisors (see below), whose sum is σ = 1141999676160. Its totient is φ = 1100194304976.

The previous prime is 1121012020099. The next prime is 1121012020133. The reversal of 1121012020109 is 9010202101211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121012020109 - 2³⁶ = 1052292543373 is a prime.

It is a super-2 number, since 2×1121012020109² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121012020159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42471914 + ... + 42498299.

It is an arithmetic number, because the mean of its divisors is an integer number (142749959520).

Almost surely, 2^{1121012020109} is an apocalyptic number.

It is an amenable number.

1121012020109 is a deficient number, since it is larger than the sum of its proper divisors (20987656051).

1121012020109 is an equidigital number, since it uses as much as digits as its factorization.

1121012020109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84970459.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1121012020109 in words is "one trillion, one hundred twenty-one billion, twelve million, twenty thousand, one hundred nine".