221300310011132 has 48 divisors (see below), whose sum is σ = 445091101459200. Its totient is φ = 95216903832960.

The previous prime is 221300310011129. The next prime is 221300310011159. The reversal of 221300310011132 is 231110013003122.

It is a happy number.

It is a super-2 number, since 2×221300310011132² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109947032 + ... + 111941727.

It is an arithmetic number, because the mean of its divisors is an integer number (9272731280400).

Almost surely, 2^{221300310011132} is an apocalyptic number.

221300310011132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221300310011132 is an abundant number, since it is smaller than the sum of its proper divisors (223790791448068).

221300310011132 is a wasteful number, since it uses less digits than its factorization.

221300310011132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221889986 (or 221889984 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 221300310011132 its reverse (231110013003122), we get a palindrome (452410323014254).

The spelling of 221300310011132 in words is "two hundred twenty-one trillion, three hundred billion, three hundred ten million, eleven thousand, one hundred thirty-two".