101110121212 has 12 divisors (see below), whose sum is σ = 179941741560. Its totient is φ = 49698195056.

The previous prime is 101110121207. The next prime is 101110121237. The reversal of 101110121212 is 212121011101.

It is a happy number.

It is a super-2 number, since 2×101110121212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101110121192 and 101110121201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214216123 + ... + 214216594.

It is an arithmetic number, because the mean of its divisors is an integer number (14995145130).

Almost surely, 2^101110121212 is an apocalyptic number.

It is an amenable number.

101110121212 is a deficient number, since it is larger than the sum of its proper divisors (78831620348).

101110121212 is a wasteful number, since it uses less digits than its factorization.

101110121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428432780 (or 428432778 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101110121212 its reverse (212121011101), we get a palindrome (313231132313).

It can be divided in two parts, 1011101 and 21212, that multiplied together give a palindrome (21447474412).

The spelling of 101110121212 in words is "one hundred one billion, one hundred ten million, one hundred twenty-one thousand, two hundred twelve".