2120102201109 has 4 divisors (see below), whose sum is σ = 2826802934816. Its totient is φ = 1413401467404.

The previous prime is 2120102201083. The next prime is 2120102201123. The reversal of 2120102201109 is 9011022010212.

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 not a de Polignac number, because 2120102201109 - 2¹⁵ = 2120102168341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120102201309) 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, 353350366849 + ... + 353350366854.

It is an arithmetic number, because the mean of its divisors is an integer number (706700733704).

Almost surely, 2^{2120102201109} is an apocalyptic number.

It is an amenable number.

2120102201109 is a deficient number, since it is larger than the sum of its proper divisors (706700733707).

2120102201109 is an equidigital number, since it uses as much as digits as its factorization.

2120102201109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706700733706.

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

The spelling of 2120102201109 in words is "two trillion, one hundred twenty billion, one hundred two million, two hundred one thousand, one hundred nine".