1210202011109 has 8 divisors (see below), whose sum is σ = 1489479398400. Its totient is φ = 957522470256.

The previous prime is 1210202011069. The next prime is 1210202011127. The reversal of 1210202011109 is 9011102020121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210202011109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210202011159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6649461509 + ... + 6649461690.

It is an arithmetic number, because the mean of its divisors is an integer number (186184924800).

Almost surely, 2^{1210202011109} is an apocalyptic number.

It is an amenable number.

1210202011109 is a deficient number, since it is larger than the sum of its proper divisors (279277387291).

1210202011109 is a wasteful number, since it uses less digits than its factorization.

1210202011109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13298923219.

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

The spelling of 1210202011109 in words is "one trillion, two hundred ten billion, two hundred two million, eleven thousand, one hundred nine".