2101343312043 has 24 divisors (see below), whose sum is σ = 3054489289488. Its totient is φ = 1392030142272.

The previous prime is 2101343312017. The next prime is 2101343312053. The reversal of 2101343312043 is 3402133431012.

It is a happy number.

2101343312043 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 343 + 312 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 2101343312043 - 2⁵ = 2101343312011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101343311998 and 2101343312016.

It is not an unprimeable number, because it can be changed into a prime (2101343312053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7545921 + ... + 7819437.

It is an arithmetic number, because the mean of its divisors is an integer number (127270387062).

Almost surely, 2^{2101343312043} is an apocalyptic number.

2101343312043 is a deficient number, since it is larger than the sum of its proper divisors (953145977445).

2101343312043 is a wasteful number, since it uses less digits than its factorization.

2101343312043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278923 (or 278920 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 2101343312043 its reverse (3402133431012), we get a palindrome (5503476743055).

The spelling of 2101343312043 in words is "two trillion, one hundred one billion, three hundred forty-three million, three hundred twelve thousand, forty-three".