101103212 has 24 divisors (see below), whose sum is σ = 207140640. Its totient is φ = 42272640.

The previous prime is 101103209. The next prime is 101103217. The reversal of 101103212 is 212301101.

It is a junction number, because it is equal to n+sod(n) for n = 101103193 and 101103202.

It is not an unprimeable number, because it can be changed into a prime (101103217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42887 + ... + 45182.

It is an arithmetic number, because the mean of its divisors is an integer number (8630860).

Almost surely, 2^101103212 is an apocalyptic number.

It is an amenable number.

101103212 is an abundant number, since it is smaller than the sum of its proper divisors (106037428).

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

101103212 is a wasteful number, since it uses less digits than its factorization.

101103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88121 (or 88119 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101103212 is about 10055.0092988520. The cubic root of 101103212 is about 465.8595301961.

Adding to 101103212 its reverse (212301101), we get a palindrome (313404313).

The spelling of 101103212 in words is "one hundred one million, one hundred three thousand, two hundred twelve".