101122312 has 16 divisors (see below), whose sum is σ = 190017360. Its totient is φ = 50451024.

The previous prime is 101122309. The next prime is 101122349. The reversal of 101122312 is 213221101.

It is a junction number, because it is equal to n+sod(n) for n = 101122292 and 101122301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9798 + ... + 17269.

It is an arithmetic number, because the mean of its divisors is an integer number (11876085).

Almost surely, 2^101122312 is an apocalyptic number.

It is an amenable number.

101122312 is a deficient number, since it is larger than the sum of its proper divisors (88895048).

101122312 is a wasteful number, since it uses less digits than its factorization.

101122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27540 (or 27536 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101122312 is about 10055.9590293517. The cubic root of 101122312 is about 465.8888644331. Note that the first 4 decimals are identical.

Adding to 101122312 its reverse (213221101), we get a palindrome (314343413).

The spelling of 101122312 in words is "one hundred one million, one hundred twenty-two thousand, three hundred twelve".