221012101000112 has 20 divisors (see below), whose sum is σ = 453399824846376. Its totient is φ = 104005694588160.

The previous prime is 221012101000043. The next prime is 221012101000121. The reversal of 221012101000112 is 211000101210122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406272244214 + ... + 406272244757.

Almost surely, 2^{221012101000112} is an apocalyptic number.

It is an amenable number.

221012101000112 is an abundant number, since it is smaller than the sum of its proper divisors (232387723846264).

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

221012101000112 is a wasteful number, since it uses less digits than its factorization.

221012101000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812544488996 (or 812544488990 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221012101000112 its reverse (211000101210122), we get a palindrome (432012202210234).

The spelling of 221012101000112 in words is "two hundred twenty-one trillion, twelve billion, one hundred one million, one hundred twelve", and thus it is an aban number.