3123221101 has 32 divisors (see below), whose sum is σ = 4203360000. Its totient is φ = 2241146880.

The previous prime is 3123221093. The next prime is 3123221119. The reversal of 3123221101 is 1011223213.

It is not a de Polignac number, because 3123221101 - 2³ = 3123221093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123227101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445975 + ... + 452923.

It is an arithmetic number, because the mean of its divisors is an integer number (131355000).

Almost surely, 2^3123221101 is an apocalyptic number.

It is an amenable number.

3123221101 is a deficient number, since it is larger than the sum of its proper divisors (1080138899).

3123221101 is a wasteful number, since it uses less digits than its factorization.

3123221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3123221101 is about 55885.7862161749. The cubic root of 3123221101 is about 1461.7314013982.

Adding to 3123221101 its reverse (1011223213), we get a palindrome (4134444314).

The spelling of 3123221101 in words is "three billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred one".