101122212 has 24 divisors (see below), whose sum is σ = 238940800. Its totient is φ = 33280416.

The previous prime is 101122187. The next prime is 101122289. The reversal of 101122212 is 212221101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52387 + ... + 54282.

Almost surely, 2^101122212 is an apocalyptic number.

101122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101122212 is an abundant number, since it is smaller than the sum of its proper divisors (137818588).

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

101122212 is a wasteful number, since it uses less digits than its factorization.

101122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106755 (or 106753 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 101122212 is about 10055.9540571743. The cubic root of 101122212 is about 465.8887108603. Note that the first 3 decimals are identical.

Adding to 101122212 its reverse (212221101), we get a palindrome (313343313).

The spelling of 101122212 in words is "one hundred one million, one hundred twenty-two thousand, two hundred twelve".