221112131330100 has 36 divisors (see below), whose sum is σ = 639751099982624. Its totient is φ = 58963235021280.

The previous prime is 221112131330087. The next prime is 221112131330141. The reversal of 221112131330100 is 1033131211122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368520218584 + ... + 368520219183.

Almost surely, 2^{221112131330100} is an apocalyptic number.

221112131330100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221112131330100 is an abundant number, since it is smaller than the sum of its proper divisors (418638968652524).

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

221112131330100 is a wasteful number, since it uses less digits than its factorization.

221112131330100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737040437784 (or 737040437777 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 221112131330100 its reverse (1033131211122), we get a palindrome (222145262541222).

The spelling of 221112131330100 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred thirty-one million, three hundred thirty thousand, one hundred".