20133010221221 has 8 divisors (see below), whose sum is σ = 20141917723200. Its totient is φ = 20124103728960.

The previous prime is 20133010221211. The next prime is 20133010221287. The reversal of 20133010221221 is 12212201033102.

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 20133010221221 - 2¹⁸ = 20133009959077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20133010221193 and 20133010221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133010221211) 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, 41128061 + ... + 41614701.

It is an arithmetic number, because the mean of its divisors is an integer number (2517739715400).

Almost surely, 2^{20133010221221} is an apocalyptic number.

It is an amenable number.

20133010221221 is a deficient number, since it is larger than the sum of its proper divisors (8907501979).

20133010221221 is a wasteful number, since it uses less digits than its factorization.

20133010221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504859.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20133010221221 its reverse (12212201033102), we get a palindrome (32345211254323).

The spelling of 20133010221221 in words is "twenty trillion, one hundred thirty-three billion, ten million, two hundred twenty-one thousand, two hundred twenty-one".