101113121212 has 12 divisors (see below), whose sum is σ = 178699922856. Its totient is φ = 50056000400.

The previous prime is 101113121209. The next prime is 101113121281. The reversal of 101113121212 is 212121311101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125139598 + ... + 125140405.

It is an arithmetic number, because the mean of its divisors is an integer number (14891660238).

Almost surely, 2^101113121212 is an apocalyptic number.

It is an amenable number.

101113121212 is a deficient number, since it is larger than the sum of its proper divisors (77586801644).

101113121212 is a wasteful number, since it uses less digits than its factorization.

101113121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250280108 (or 250280106 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 101113121212 its reverse (212121311101), we get a palindrome (313234432313).

The spelling of 101113121212 in words is "one hundred one billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred twelve".