221370411336 has 16 divisors (see below), whose sum is σ = 553426028400. Its totient is φ = 73790137104.

The previous prime is 221370411323. The next prime is 221370411371. The reversal of 221370411336 is 633114073122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221370411297 and 221370411306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4611883546 + ... + 4611883593.

It is an arithmetic number, because the mean of its divisors is an integer number (34589126775).

Almost surely, 2^221370411336 is an apocalyptic number.

It is an amenable number.

221370411336 is an abundant number, since it is smaller than the sum of its proper divisors (332055617064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221370411336 is a wasteful number, since it uses less digits than its factorization.

221370411336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223767148 (or 9223767144 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

Adding to 221370411336 its reverse (633114073122), we get a palindrome (854484484458).

The spelling of 221370411336 in words is "two hundred twenty-one billion, three hundred seventy million, four hundred eleven thousand, three hundred thirty-six".