101112120011100 has 864 divisors, whose sum is σ = 346725908121600. Its totient is φ = 22542424934400.

The previous prime is 101112120011059. The next prime is 101112120011197. The reversal of 101112120011100 is 1110021211101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 21113407506 + ... + 21113412294.

It is an arithmetic number, because the mean of its divisors is an integer number (401303134400).

Almost surely, 2^{101112120011100} is an apocalyptic number.

101112120011100 is a gapful number since it is divisible by the number (10) 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 101112120011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173362954060800).

101112120011100 is an abundant number, since it is smaller than the sum of its proper divisors (245613788110500).

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

101112120011100 is a wasteful number, since it uses less digits than its factorization.

101112120011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371 (or 5345 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101112120011100 its reverse (1110021211101), we get a palindrome (102222141222201).

The spelling of 101112120011100 in words is "one hundred one trillion, one hundred twelve billion, one hundred twenty million, eleven thousand, one hundred".