100112211 has 6 divisors (see below), whose sum is σ = 144606540. Its totient is φ = 66741468.

The previous prime is 100112179. The next prime is 100112219. The reversal of 100112211 is 112211001.

It is a happy number.

It is not a de Polignac number, because 100112211 - 2⁵ = 100112179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11123579 = 100112211 / (1 + 0 + 0 + 1 + 1 + 2 + 2 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 100112193 and 100112202.

It is not an unprimeable number, because it can be changed into a prime (100112219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5561781 + ... + 5561798.

It is an arithmetic number, because the mean of its divisors is an integer number (24101090).

Almost surely, 2^100112211 is an apocalyptic number.

100112211 is a deficient number, since it is larger than the sum of its proper divisors (44494329).

100112211 is a wasteful number, since it uses less digits than its factorization.

100112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123585 (or 11123582 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 100112211 is about 10005.6089769689. The cubic root of 100112211 is about 464.3324309058.

Adding to 100112211 its reverse (112211001), we get a palindrome (212323212).

The spelling of 100112211 in words is "one hundred million, one hundred twelve thousand, two hundred eleven".