2101240223043 has 16 divisors (see below), whose sum is σ = 3038871682560. Its totient is φ = 1283768234784.

The previous prime is 2101240223029. The next prime is 2101240223113. The reversal of 2101240223043 is 3403220421012.

It is a happy number.

It is not a de Polignac number, because 2101240223043 - 2¹⁰ = 2101240222019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101240222043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193800171 + ... + 193811012.

It is an arithmetic number, because the mean of its divisors is an integer number (189929480160).

Almost surely, 2^{2101240223043} is an apocalyptic number.

2101240223043 is a deficient number, since it is larger than the sum of its proper divisors (937631459517).

2101240223043 is a wasteful number, since it uses less digits than its factorization.

2101240223043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387611338.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2101240223043 its reverse (3403220421012), we get a palindrome (5504460644055).

The spelling of 2101240223043 in words is "two trillion, one hundred one billion, two hundred forty million, two hundred twenty-three thousand, forty-three".