101111399112 has 64 divisors (see below), whose sum is σ = 256184812800. Its totient is φ = 33250314240.

The previous prime is 101111399099. The next prime is 101111399113. The reversal of 101111399112 is 211993111101.

It is a self number, because there is not a number n which added to its sum of digits gives 101111399112.

It is not an unprimeable number, because it can be changed into a prime (101111399113) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2400312 + ... + 2442072.

It is an arithmetic number, because the mean of its divisors is an integer number (4002887700).

Almost surely, 2^101111399112 is an apocalyptic number.

101111399112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101111399112 is an abundant number, since it is smaller than the sum of its proper divisors (155073413688).

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

101111399112 is a wasteful number, since it uses less digits than its factorization.

101111399112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43126 (or 43122 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 30.

The spelling of 101111399112 in words is "one hundred one billion, one hundred eleven million, three hundred ninety-nine thousand, one hundred twelve".