2102231033209 has 4 divisors (see below), whose sum is σ = 2118278598480. Its totient is φ = 2086183467940.

The previous prime is 2102231033167. The next prime is 2102231033219. The reversal of 2102231033209 is 9023301322012.

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 a cyclic number.

It is not a de Polignac number, because 2102231033209 - 2³³ = 2093641098617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102231033219) 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, 8023782439 + ... + 8023782700.

It is an arithmetic number, because the mean of its divisors is an integer number (529569649620).

Almost surely, 2^{2102231033209} is an apocalyptic number.

It is an amenable number.

2102231033209 is a deficient number, since it is larger than the sum of its proper divisors (16047565271).

2102231033209 is a wasteful number, since it uses less digits than its factorization.

2102231033209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16047565270.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 2102231033209 in words is "two trillion, one hundred two billion, two hundred thirty-one million, thirty-three thousand, two hundred nine".