2101424043340 has 24 divisors (see below), whose sum is σ = 4672578167712. Its totient is φ = 791124345600.

The previous prime is 2101424043317. The next prime is 2101424043343. The reversal of 2101424043340 is 433404241012.

It is a junction number, because it is equal to n+sod(n) for n = 2101424043299 and 2101424043308.

It is not an unprimeable number, because it can be changed into a prime (2101424043343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3090329136 + ... + 3090329815.

It is an arithmetic number, because the mean of its divisors is an integer number (194690756988).

Almost surely, 2^{2101424043340} is an apocalyptic number.

2101424043340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101424043340 is an abundant number, since it is smaller than the sum of its proper divisors (2571154124372).

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

2101424043340 is a wasteful number, since it uses less digits than its factorization.

2101424043340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180658977 (or 6180658975 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2101424043340 its reverse (433404241012), we get a palindrome (2534828284352).

The spelling of 2101424043340 in words is "two trillion, one hundred one billion, four hundred twenty-four million, forty-three thousand, three hundred forty".