100000001111112 has 320 divisors, whose sum is σ = 298086503742720. Its totient is φ = 31212178716672.

The previous prime is 100000001111093. The next prime is 100000001111137. The reversal of 100000001111112 is 211111100000001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100000001111094 and 100000001111103.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3718426338 + ... + 3718453230.

It is an arithmetic number, because the mean of its divisors is an integer number (931520324196).

Almost surely, 2^{100000001111112} is an apocalyptic number.

100000001111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100000001111112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149043251871360).

100000001111112 is an abundant number, since it is smaller than the sum of its proper divisors (198086502631608).

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

100000001111112 is a wasteful number, since it uses less digits than its factorization.

100000001111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28642 (or 28629 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 100000001111112 its reverse (211111100000001), we get a palindrome (311111101111113).

The spelling of 100000001111112 in words is "one hundred trillion, one million, one hundred eleven thousand, one hundred twelve".