2223121109 has 16 divisors (see below), whose sum is σ = 2450787840. Its totient is φ = 1999830000.

The previous prime is 2223121079. The next prime is 2223121139. The reversal of 2223121109 is 9011213222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2223121079) and next prime (2223121139).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223121109 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 (2223121139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412784 + ... + 418134.

It is an arithmetic number, because the mean of its divisors is an integer number (153174240).

Almost surely, 2^2223121109 is an apocalyptic number.

It is an amenable number.

2223121109 is a deficient number, since it is larger than the sum of its proper divisors (227666731).

2223121109 is a wasteful number, since it uses less digits than its factorization.

2223121109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2223121109 is about 47149.9852492024. The cubic root of 2223121109 is about 1305.1318078089.

The spelling of 2223121109 in words is "two billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred nine".