20133221031321 has 8 divisors (see below), whose sum is σ = 26844776020800. Its totient is φ = 13421906698032.

The previous prime is 20133221031307. The next prime is 20133221031323. The reversal of 20133221031321 is 12313012233102.

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

It is not a de Polignac number, because 20133221031321 - 2⁶ = 20133221031257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20133221031291 and 20133221031300.

It is not an unprimeable number, because it can be changed into a prime (20133221031323) 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, 59968750 + ... + 60303543.

It is an arithmetic number, because the mean of its divisors is an integer number (3355597002600).

Almost surely, 2^{20133221031321} is an apocalyptic number.

It is an amenable number.

20133221031321 is a deficient number, since it is larger than the sum of its proper divisors (6711554989479).

20133221031321 is a wasteful number, since it uses less digits than its factorization.

20133221031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120328095.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20133221031321 its reverse (12313012233102), we get a palindrome (32446233264423).

The spelling of 20133221031321 in words is "twenty trillion, one hundred thirty-three billion, two hundred twenty-one million, thirty-one thousand, three hundred twenty-one".