100112001222 has 16 divisors (see below), whose sum is σ = 200358128880. Its totient is φ = 33348312672.

The previous prime is 100112001163. The next prime is 100112001229. The reversal of 100112001222 is 222100211001.

100112001222 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 100112001198 and 100112001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112001229) 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, 5578897 + ... + 5596812.

It is an arithmetic number, because the mean of its divisors is an integer number (12522383055).

Almost surely, 2^100112001222 is an apocalyptic number.

100112001222 is an abundant number, since it is smaller than the sum of its proper divisors (100246127658).

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

100112001222 is a wasteful number, since it uses less digits than its factorization.

100112001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177207.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100112001222 its reverse (222100211001), we get a palindrome (322212212223).

The spelling of 100112001222 in words is "one hundred billion, one hundred twelve million, one thousand, two hundred twenty-two".