2120102211009 has 16 divisors (see below), whose sum is σ = 2903421737600. Its totient is φ = 1375097834880.

The previous prime is 2120102210999. The next prime is 2120102211037. The reversal of 2120102211009 is 9001122010212.

It is not a de Polignac number, because 2120102211009 - 2⁸ = 2120102210753 is a prime.

It is a super-3 number, since 3×2120102211009³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120102211509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774549 + ... + 2200029.

It is an arithmetic number, because the mean of its divisors is an integer number (181463858600).

Almost surely, 2^{2120102211009} is an apocalyptic number.

It is an amenable number.

2120102211009 is a deficient number, since it is larger than the sum of its proper divisors (783319526591).

2120102211009 is a wasteful number, since it uses less digits than its factorization.

2120102211009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438920.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 2120102211009 in words is "two trillion, one hundred twenty billion, one hundred two million, two hundred eleven thousand, nine".