321042101 has 16 divisors (see below), whose sum is σ = 335280384. Its totient is φ = 307194624.

The previous prime is 321042083. The next prime is 321042109. The reversal of 321042101 is 101240123.

It is a cyclic number.

It is not a de Polignac number, because 321042101 - 2⁶ = 321042037 is a prime.

It is a super-2 number, since 2×321042101² = 206136061228988402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321042109) 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, 469706 + ... + 470388.

It is an arithmetic number, because the mean of its divisors is an integer number (20955024).

Almost surely, 2^321042101 is an apocalyptic number.

It is an amenable number.

321042101 is a deficient number, since it is larger than the sum of its proper divisors (14238283).

321042101 is a wasteful number, since it uses less digits than its factorization.

321042101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 321042101 is about 17917.6477529836. The cubic root of 321042101 is about 684.7320606587.

Adding to 321042101 its reverse (101240123), we get a palindrome (422282224).

The spelling of 321042101 in words is "three hundred twenty-one million, forty-two thousand, one hundred one".