2112203220000 has 240 divisors, whose sum is σ = 6959015677152. Its totient is φ = 560769280000.

The previous prime is 2112203219999. The next prime is 2112203220121. The reversal of 2112203220000 is 223022112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×2112203220000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13542460 + ... + 13697540.

Almost surely, 2^{2112203220000} is an apocalyptic number.

2112203220000 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 2112203220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3479507838576).

2112203220000 is an abundant number, since it is smaller than the sum of its proper divisors (4846812457152).

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

2112203220000 is a wasteful number, since it uses less digits than its factorization.

2112203220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155341 (or 155318 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2112203220000 its reverse (223022112), we get a palindrome (2112426242112).

The spelling of 2112203220000 in words is "two trillion, one hundred twelve billion, two hundred three million, two hundred twenty thousand".