122201022010221 has 48 divisors (see below), whose sum is σ = 221650861985280. Its totient is φ = 63024352140960.

The previous prime is 122201022010217. The next prime is 122201022010259. The reversal of 122201022010221 is 122010220102221.

It is a happy number.

122201022010221 is a `hidden beast` number, since 1 + 2 + 220 + 1 + 0 + 220 + 1 + 0 + 221 = 666.

It is not a de Polignac number, because 122201022010221 - 2² = 122201022010217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122201022010194 and 122201022010203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201022010211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 634206735 + ... + 634399388.

It is an arithmetic number, because the mean of its divisors is an integer number (4617726291360).

Almost surely, 2^{122201022010221} is an apocalyptic number.

122201022010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122201022010221 is a deficient number, since it is larger than the sum of its proper divisors (99449839975059).

122201022010221 is a wasteful number, since it uses less digits than its factorization.

122201022010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268606286 (or 1268606283 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122201022010221 its reverse (122010220102221), we get a palindrome (244211242112442).

It can be divided in two parts, 1 and 22201022010221, that added together give a palindrome (22201022010222).

The spelling of 122201022010221 in words is "one hundred twenty-two trillion, two hundred one billion, twenty-two million, ten thousand, two hundred twenty-one".