101112121103212 has 12 divisors (see below), whose sum is σ = 183047805445680. Its totient is φ = 48812748118736.

The previous prime is 101112121103209. The next prime is 101112121103281. The reversal of 101112121103212 is 212301121211101.

It is a super-2 number, since 2×101112121103212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101112121103212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435828108088 + ... + 435828108319.

It is an arithmetic number, because the mean of its divisors is an integer number (15253983787140).

Almost surely, 2^{101112121103212} is an apocalyptic number.

It is an amenable number.

101112121103212 is a deficient number, since it is larger than the sum of its proper divisors (81935684342468).

101112121103212 is a wasteful number, since it uses less digits than its factorization.

101112121103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871656216440 (or 871656216438 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 101112121103212 its reverse (212301121211101), we get a palindrome (313413242314313).

The spelling of 101112121103212 in words is "one hundred one trillion, one hundred twelve billion, one hundred twenty-one million, one hundred three thousand, two hundred twelve".