221300111200112 has 20 divisors (see below), whose sum is σ = 490021674800496. Its totient is φ = 94842904800000.

The previous prime is 221300111200111. The next prime is 221300111200199. The reversal of 221300111200112 is 211002111003122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221300111200111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987946924889 + ... + 987946925112.

Almost surely, 2^{221300111200112} is an apocalyptic number.

It is an amenable number.

221300111200112 is an abundant number, since it is smaller than the sum of its proper divisors (268721563600384).

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

221300111200112 is a wasteful number, since it uses less digits than its factorization.

221300111200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975893850016 (or 1975893850010 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 221300111200112 its reverse (211002111003122), we get a palindrome (432302222203234).

The spelling of 221300111200112 in words is "two hundred twenty-one trillion, three hundred billion, one hundred eleven million, two hundred thousand, one hundred twelve".