101111120012 has 12 divisors (see below), whose sum is σ = 202222240080. Its totient is φ = 43333337136.

The previous prime is 101111119999. The next prime is 101111120017. The reversal of 101111120012 is 210021111101.

101111120012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 101111119975 and 101111120002.

It is not an unprimeable number, because it can be changed into a prime (101111120017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805555687 + ... + 1805555742.

It is an arithmetic number, because the mean of its divisors is an integer number (16851853340).

Almost surely, 2^101111120012 is an apocalyptic number.

It is an amenable number.

101111120012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101111120012 is a wasteful number, since it uses less digits than its factorization.

101111120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611111440 (or 3611111438 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101111120012 its reverse (210021111101), we get a palindrome (311132231113).

The spelling of 101111120012 in words is "one hundred one billion, one hundred eleven million, one hundred twenty thousand, twelve".