2122213410209 has 4 divisors (see below), whose sum is σ = 2122219616916. Its totient is φ = 2122207203504.

The previous prime is 2122213410169. The next prime is 2122213410253. The reversal of 2122213410209 is 9020143122212.

It is a happy number.

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 701861923984 + 1420351486225 = 837772^2 + 1191785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122213410209 - 2²⁸ = 2121944974753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122213413209) 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, 2558594 + ... + 3284939.

It is an arithmetic number, because the mean of its divisors is an integer number (530554904229).

Almost surely, 2^{2122213410209} is an apocalyptic number.

It is an amenable number.

2122213410209 is a deficient number, since it is larger than the sum of its proper divisors (6206707).

2122213410209 is an equidigital number, since it uses as much as digits as its factorization.

2122213410209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206706.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 2122213410209 in words is "two trillion, one hundred twenty-two billion, two hundred thirteen million, four hundred ten thousand, two hundred nine".