101223112 has 16 divisors (see below), whose sum is σ = 189987840. Its totient is φ = 50559696.

The previous prime is 101223077. The next prime is 101223113. The reversal of 101223112 is 211322101.

It is a super-2 number, since 2×101223112² = 20492236805929088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101223092 and 101223101.

It is not an unprimeable number, because it can be changed into a prime (101223113) 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, 2553 + ... + 14455.

It is an arithmetic number, because the mean of its divisors is an integer number (11874240).

Almost surely, 2^101223112 is an apocalyptic number.

It is an amenable number.

101223112 is a deficient number, since it is larger than the sum of its proper divisors (88764728).

101223112 is a wasteful number, since it uses less digits than its factorization.

101223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12972 (or 12968 counting only the distinct ones).

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

The square root of 101223112 is about 10060.9697345733. The cubic root of 101223112 is about 466.0436143304.

Adding to 101223112 its reverse (211322101), we get a palindrome (312545213).

The spelling of 101223112 in words is "one hundred one million, two hundred twenty-three thousand, one hundred twelve".