2002210020109 has 4 divisors (see below), whose sum is σ = 2156226175516. Its totient is φ = 1848193864704.

The previous prime is 2002210020077. The next prime is 2002210020131. The reversal of 2002210020109 is 9010200122002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 427712076009 + 1574497944100 = 653997^2 + 1254790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002210020109 - 2⁵ = 2002210020077 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 (2002210020199) 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, 77008077684 + ... + 77008077709.

It is an arithmetic number, because the mean of its divisors is an integer number (539056543879).

Almost surely, 2^{2002210020109} is an apocalyptic number.

It is an amenable number.

2002210020109 is a deficient number, since it is larger than the sum of its proper divisors (154016155407).

2002210020109 is a wasteful number, since it uses less digits than its factorization.

2002210020109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154016155406.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 2002210020109 in words is "two trillion, two billion, two hundred ten million, twenty thousand, one hundred nine".