20110412321 has 8 divisors (see below), whose sum is σ = 20432772000. Its totient is φ = 19790195040.

The previous prime is 20110412291. The next prime is 20110412401. The reversal of 20110412321 is 12321401102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20110412321 - 2¹⁴ = 20110395937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20110412321.

It is not an unprimeable number, because it can be changed into a prime (20110412521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516671 + ... + 554228.

It is an arithmetic number, because the mean of its divisors is an integer number (2554096500).

Almost surely, 2^20110412321 is an apocalyptic number.

It is an amenable number.

20110412321 is a deficient number, since it is larger than the sum of its proper divisors (322359679).

20110412321 is a wasteful number, since it uses less digits than its factorization.

20110412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071199.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20110412321 its reverse (12321401102), we get a palindrome (32431813423).

The spelling of 20110412321 in words is "twenty billion, one hundred ten million, four hundred twelve thousand, three hundred twenty-one".