20213321123001 has 8 divisors (see below), whose sum is σ = 27820484986624. Its totient is φ = 13040852337360.

The previous prime is 20213321122991. The next prime is 20213321123153. The reversal of 20213321123001 is 10032112331202.

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

It is not a de Polignac number, because 20213321123001 - 2²³ = 20213312734393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213321124001) 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, 108673769386 + ... + 108673769571.

It is an arithmetic number, because the mean of its divisors is an integer number (3477560623328).

Almost surely, 2^{20213321123001} is an apocalyptic number.

It is an amenable number.

20213321123001 is a deficient number, since it is larger than the sum of its proper divisors (7607163863623).

20213321123001 is a wasteful number, since it uses less digits than its factorization.

20213321123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217347538991.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20213321123001 its reverse (10032112331202), we get a palindrome (30245433454203).

The spelling of 20213321123001 in words is "twenty trillion, two hundred thirteen billion, three hundred twenty-one million, one hundred twenty-three thousand, one".