100001111012 has 12 divisors (see below), whose sum is σ = 190911212016.
Its totient is φ = 45455050440.
The previous prime is 100001110969. The next prime is 100001111027. The reversal of 100001111012 is 210111100001.
It is a happy 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, 1136376218 + ... + 1136376305.
It is an arithmetic number, because the mean of its divisors is an integer number (15909267668).
Almost surely, 2100001111012 is an apocalyptic number.
It is an amenable number.
100001111012 is a deficient number, since it is larger than the sum of its proper divisors (90910101004).
100001111012 is a wasteful number, since it uses less digits than its factorization.
100001111012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2272752538 (or 2272752536 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 8.
Adding to 100001111012 its reverse (210111100001), we get a palindrome (310112211013).
The spelling of 100001111012 in words is "one hundred billion, one million, one hundred eleven thousand, twelve".