20122201003221 has 16 divisors (see below), whose sum is σ = 29811477528000. Its totient is φ = 13414436450064.

The previous prime is 20122201003211. The next prime is 20122201003259. The reversal of 20122201003221 is 12230010222102.

20122201003221 is a `hidden beast` number, since 20 + 1 + 2 + 220 + 100 + 322 + 1 = 666.

It is not a de Polignac number, because 20122201003221 - 2⁵ = 20122201003189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20122201003194 and 20122201003203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122201003211) 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, 9102466 + ... + 11095011.

It is an arithmetic number, because the mean of its divisors is an integer number (1863217345500).

Almost surely, 2^{20122201003221} is an apocalyptic number.

It is an amenable number.

20122201003221 is a deficient number, since it is larger than the sum of its proper divisors (9689276524779).

20122201003221 is a wasteful number, since it uses less digits than its factorization.

20122201003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20234385 (or 20234379 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20122201003221 its reverse (12230010222102), we get a palindrome (32352211225323).

The spelling of 20122201003221 in words is "twenty trillion, one hundred twenty-two billion, two hundred one million, three thousand, two hundred twenty-one".