2112133403420 has 48 divisors (see below), whose sum is σ = 4440023501760. Its totient is φ = 843988322304.

The previous prime is 2112133403353. The next prime is 2112133403431. The reversal of 2112133403420 is 243043312112.

It is a super-2 number, since 2×2112133403420² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112133403420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128647052 + ... + 128663468.

It is an arithmetic number, because the mean of its divisors is an integer number (92500489620).

Almost surely, 2^{2112133403420} is an apocalyptic number.

2112133403420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112133403420 is an abundant number, since it is smaller than the sum of its proper divisors (2327890098340).

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

2112133403420 is a wasteful number, since it uses less digits than its factorization.

2112133403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22622 (or 22620 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2112133403420 its reverse (243043312112), we get a palindrome (2355176715532).

The spelling of 2112133403420 in words is "two trillion, one hundred twelve billion, one hundred thirty-three million, four hundred three thousand, four hundred twenty".