3421112205 has 32 divisors (see below), whose sum is σ = 6282641664. Its totient is φ = 1557213696.

The previous prime is 3421112197. The next prime is 3421112213. The reversal of 3421112205 is 5022111243.

It is an interprime number because it is at equal distance from previous prime (3421112197) and next prime (3421112213).

It is not a de Polignac number, because 3421112205 - 2³ = 3421112197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45454 + ... + 94383.

It is an arithmetic number, because the mean of its divisors is an integer number (196332552).

Almost surely, 2^3421112205 is an apocalyptic number.

3421112205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3421112205 is a deficient number, since it is larger than the sum of its proper divisors (2861529459).

3421112205 is a wasteful number, since it uses less digits than its factorization.

3421112205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140085.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3421112205 is about 58490.2744479798. The cubic root of 3421112205 is about 1506.8005594446.

Adding to 3421112205 its reverse (5022111243), we get a palindrome (8443223448).

The spelling of 3421112205 in words is "three billion, four hundred twenty-one million, one hundred twelve thousand, two hundred five".