3221123101 has 16 divisors (see below), whose sum is σ = 3752587008. Its totient is φ = 2707891200.

The previous prime is 3221123089. The next prime is 3221123123. The reversal of 3221123101 is 1013211223.

It is not a de Polignac number, because 3221123101 - 2⁷ = 3221122973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221123701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79131 + ... + 112711.

It is an arithmetic number, because the mean of its divisors is an integer number (234536688).

Almost surely, 2^3221123101 is an apocalyptic number.

It is an amenable number.

3221123101 is a deficient number, since it is larger than the sum of its proper divisors (531463907).

3221123101 is a wasteful number, since it uses less digits than its factorization.

3221123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33852.

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

The square root of 3221123101 is about 56754.9390009363. The cubic root of 3221123101 is about 1476.8479148516.

Adding to 3221123101 its reverse (1013211223), we get a palindrome (4234334324).

The spelling of 3221123101 in words is "three billion, two hundred twenty-one million, one hundred twenty-three thousand, one hundred one".