100112111122 has 4 divisors (see below), whose sum is σ = 150168166686. Its totient is φ = 50056055560.

The previous prime is 100112111117. The next prime is 100112111131. The reversal of 100112111122 is 221111211001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221111211001 = 433787 ⋅509723.

It can be written as a sum of positive squares in only one way, i.e., 58931932081 + 41180179041 = 242759^2 + 202929^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25028027779 + ... + 25028027782.

Almost surely, 2^100112111122 is an apocalyptic number.

100112111122 is a deficient number, since it is larger than the sum of its proper divisors (50056055564).

100112111122 is an equidigital number, since it uses as much as digits as its factorization.

100112111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50056055563.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100112111122 its reverse (221111211001), we get a palindrome (321223322123).

The spelling of 100112111122 in words is "one hundred billion, one hundred twelve million, one hundred eleven thousand, one hundred twenty-two".