112210101 has 6 divisors (see below), whose sum is σ = 162081270. Its totient is φ = 74806728.

The previous prime is 112210097. The next prime is 112210121. The reversal of 112210101 is 101012211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 112148100 + 62001 = 10590^2 + 249^2 .

It is not a de Polignac number, because 112210101 - 2² = 112210097 is a prime.

It is a super-2 number, since 2×112210101² = 25182213532860402, which contains 22 as substring.

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: 12467789 = 112210101 / (1 + 1 + 2 + 2 + 1 + 0 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210121) 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, 6233886 + ... + 6233903.

It is an arithmetic number, because the mean of its divisors is an integer number (27013545).

Almost surely, 2^112210101 is an apocalyptic number.

It is an amenable number.

112210101 is a deficient number, since it is larger than the sum of its proper divisors (49871169).

112210101 is a wasteful number, since it uses less digits than its factorization.

112210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12467795 (or 12467792 counting only the distinct ones).

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

The square root of 112210101 is about 10592.9269326282. The cubic root of 112210101 is about 482.3296772362.

Adding to 112210101 its reverse (101012211), we get a palindrome (213222312).

The spelling of 112210101 in words is "one hundred twelve million, two hundred ten thousand, one hundred one".