221300032221112 has 16 divisors (see below), whose sum is σ = 446855834292840. Its totient is φ = 102138476409696.

The previous prime is 221300032221083. The next prime is 221300032221227. The reversal of 221300032221112 is 211122230003122.

It is a super-2 number, since 2×221300032221112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063942462498 + ... + 1063942462705.

Almost surely, 2^{221300032221112} is an apocalyptic number.

It is an amenable number.

221300032221112 is an abundant number, since it is smaller than the sum of its proper divisors (225555802071728).

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

221300032221112 is a wasteful number, since it uses less digits than its factorization.

221300032221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127884925222 (or 2127884925218 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221300032221112 its reverse (211122230003122), we get a palindrome (432422262224234).

The spelling of 221300032221112 in words is "two hundred twenty-one trillion, three hundred billion, thirty-two million, two hundred twenty-one thousand, one hundred twelve".