112101021211100 has 144 divisors (see below), whose sum is σ = 260675951608800. Its totient is φ = 41695383552000.

The previous prime is 112101021211099. The next prime is 112101021211133. The reversal of 112101021211100 is 1112120101211.

It is a super-2 number, since 2×112101021211100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79484876 + ... + 80882924.

It is an arithmetic number, because the mean of its divisors is an integer number (1810249663950).

Almost surely, 2^{112101021211100} is an apocalyptic number.

112101021211100 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 112101021211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130337975804400).

112101021211100 is an abundant number, since it is smaller than the sum of its proper divisors (148574930397700).

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

112101021211100 is a wasteful number, since it uses less digits than its factorization.

112101021211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398648 (or 1398641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112101021211100 its reverse (1112120101211), we get a palindrome (113213141312311).

The spelling of 112101021211100 in words is "one hundred twelve trillion, one hundred one billion, twenty-one million, two hundred eleven thousand, one hundred".