100221221020112 has 20 divisors (see below), whose sum is σ = 200442442041216. Its totient is φ = 48494139203040.

The previous prime is 100221221020087. The next prime is 100221221020133. The reversal of 100221221020112 is 211020122122001.

100221221020112 is an admirable number.

It is a congruent number.

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, 101029456178 + ... + 101029457169.

Almost surely, 2^{100221221020112} is an apocalyptic number.

It is an amenable number.

100221221020112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100221221020112 is a wasteful number, since it uses less digits than its factorization.

100221221020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202058913386 (or 202058913380 counting only the distinct ones).

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

Adding to 100221221020112 its reverse (211020122122001), we get a palindrome (311241343142113).

The spelling of 100221221020112 in words is "one hundred trillion, two hundred twenty-one billion, two hundred twenty-one million, twenty thousand, one hundred twelve".