100221112012112 has 40 divisors (see below), whose sum is σ = 238988805570816. Its totient is φ = 39647912443776.

The previous prime is 100221112012079. The next prime is 100221112012139. The reversal of 100221112012112 is 211210211122001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34416589208 + ... + 34416592119.

Almost surely, 2^{100221112012112} is an apocalyptic number.

It is an amenable number.

100221112012112 is an abundant number, since it is smaller than the sum of its proper divisors (138767693558704).

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

100221112012112 is a wasteful number, since it uses less digits than its factorization.

100221112012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68833181355 (or 68833181349 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100221112012112 its reverse (211210211122001), we get a palindrome (311431323134113).

The spelling of 100221112012112 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twelve million, twelve thousand, one hundred twelve".