2112202100000 has 144 divisors (see below), whose sum is σ = 5206664002176. Its totient is φ = 843418080000.

The previous prime is 2112202099981. The next prime is 2112202100051. The reversal of 2112202100000 is 12022112.

It is a happy number.

It is a super-2 number, since 2×2112202100000² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58682009 + ... + 58717991.

It is an arithmetic number, because the mean of its divisors is an integer number (36157388904).

Almost surely, 2^{2112202100000} is an apocalyptic number.

2112202100000 is a gapful number since it is divisible by the number (20) 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 2112202100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603332001088).

2112202100000 is an abundant number, since it is smaller than the sum of its proper divisors (3094461902176).

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

2112202100000 is an frugal number, since it uses more digits than its factorization.

2112202100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36605 (or 36577 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2112202100000 its reverse (12022112), we get a palindrome (2112214122112).

The spelling of 2112202100000 in words is "two trillion, one hundred twelve billion, two hundred two million, one hundred thousand".