2112002220000 has 120 divisors (see below), whose sum is σ = 6927789878856. Its totient is φ = 563200576000.

The previous prime is 2112002219941. The next prime is 2112002220079. The reversal of 2112002220000 is 222002112.

It is a tau number, because it is divible by the number of its divisors (120).

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 19 ways as a sum of consecutive naturals, for example, 17540019 + ... + 17660018.

Almost surely, 2^{2112002220000} is an apocalyptic number.

2112002220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112002220000 is an abundant number, since it is smaller than the sum of its proper divisors (4815787658856).

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

2112002220000 is an equidigital number, since it uses as much as digits as its factorization.

2112002220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35200070 (or 35200047 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2112002220000 its reverse (222002112), we get a palindrome (2112224222112).

It can be divided in two parts, 21 and 12002220000, that added together give a palindrome (12002220021).

The spelling of 2112002220000 in words is "two trillion, one hundred twelve billion, two million, two hundred twenty thousand".