221200220111012 has 24 divisors (see below), whose sum is σ = 414380430189600. Its totient is φ = 103003135500096.

The previous prime is 221200220111011. The next prime is 221200220111029. The reversal of 221200220111012 is 210111022002122.

It is not an unprimeable number, because it can be changed into a prime (221200220111011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24665497313 + ... + 24665506280.

It is an arithmetic number, because the mean of its divisors is an integer number (17265851257900).

Almost surely, 2^{221200220111012} is an apocalyptic number.

It is an amenable number.

221200220111012 is a deficient number, since it is larger than the sum of its proper divisors (193180210078588).

221200220111012 is a wasteful number, since it uses less digits than its factorization.

221200220111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49331003675 (or 49331003673 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221200220111012 its reverse (210111022002122), we get a palindrome (431311242113134).

The spelling of 221200220111012 in words is "two hundred twenty-one trillion, two hundred billion, two hundred twenty million, one hundred eleven thousand, twelve".