101112212 has 12 divisors (see below), whose sum is σ = 183048180. Its totient is φ = 48812736.
The previous prime is 101112203. The next prime is 101112217. The reversal of 101112212 is 212211101.
It can be written as a sum of positive squares in 2 ways, for example, as 48636676 + 52475536 = 6974^2 + 7244^2 .
It is a junction number, because it is equal to n+sod(n) for n = 101112193 and 101112202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101112217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435713 + ... + 435944.
It is an arithmetic number, because the mean of its divisors is an integer number (15254015).
Almost surely, 2101112212 is an apocalyptic number.
It is an amenable number.
101112212 is a deficient number, since it is larger than the sum of its proper divisors (81935968).
101112212 is a wasteful number, since it uses less digits than its factorization.
101112212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 871690 (or 871688 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 101112212 is about 10055.4568270169. The cubic root of 101112212 is about 465.8733530717.
Adding to 101112212 its reverse (212211101), we get a palindrome (313323313).
The spelling of 101112212 in words is "one hundred one million, one hundred twelve thousand, two hundred twelve".
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