2112321211040 has 24 divisors (see below), whose sum is σ = 4990358861460. Its totient is φ = 844928484352.

The previous prime is 2112321210959. The next prime is 2112321211051. The reversal of 2112321211040 is 401121232112.

It can be written as a sum of positive squares in 2 ways, for example, as 2108501476624 + 3819734416 = 1452068^2 + 61804^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6601003625 + ... + 6601003944.

Almost surely, 2^{2112321211040} is an apocalyptic number.

2112321211040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112321211040 is an abundant number, since it is smaller than the sum of its proper divisors (2878037650420).

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

2112321211040 is a wasteful number, since it uses less digits than its factorization.

2112321211040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13202007584 (or 13202007576 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2112321211040 its reverse (401121232112), we get a palindrome (2513442443152).

The spelling of 2112321211040 in words is "two trillion, one hundred twelve billion, three hundred twenty-one million, two hundred eleven thousand, forty".