221300323413100 has 72 divisors (see below), whose sum is σ = 496629017902976. Its totient is φ = 85506295680000.

The previous prime is 221300323413011. The next prime is 221300323413151. The reversal of 221300323413100 is 1314323003122.

It is a super-2 number, since 2×221300323413100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64299981 + ... + 67654180.

Almost surely, 2^{221300323413100} is an apocalyptic number.

221300323413100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221300323413100 is an abundant number, since it is smaller than the sum of its proper divisors (275328694489876).

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

221300323413100 is a wasteful number, since it uses less digits than its factorization.

221300323413100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131954747 (or 131954740 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 221300323413100 its reverse (1314323003122), we get a palindrome (222614646416222).

The spelling of 221300323413100 in words is "two hundred twenty-one trillion, three hundred billion, three hundred twenty-three million, four hundred thirteen thousand, one hundred".