122212200110221 has 8 divisors (see below), whose sum is σ = 132451438828184. Its totient is φ = 112092718570560.

The previous prime is 122212200110179. The next prime is 122212200110243. The reversal of 122212200110221 is 122011002212221.

It can be written as a sum of positive squares in 4 ways, for example, as 6286904316900 + 115925295793321 = 2507370^2 + 10766861^2 .

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

It is not a de Polignac number, because 122212200110221 - 2⁹ = 122212200109709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212200117221) 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, 29939292450 + ... + 29939296531.

It is an arithmetic number, because the mean of its divisors is an integer number (16556429853523).

Almost surely, 2^{122212200110221} is an apocalyptic number.

It is an amenable number.

122212200110221 is a deficient number, since it is larger than the sum of its proper divisors (10239238717963).

122212200110221 is a wasteful number, since it uses less digits than its factorization.

122212200110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59878589151.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122212200110221 its reverse (122011002212221), we get a palindrome (244223202322442).

The spelling of 122212200110221 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred million, one hundred ten thousand, two hundred twenty-one".