21050130123143 has 8 divisors (see below), whose sum is σ = 22963900029840. Its totient is φ = 19136380502080.

The previous prime is 21050130123137. The next prime is 21050130123181. The reversal of 21050130123143 is 34132103105012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21050130123143 - 2⁶ = 21050130123079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21050130123133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2859758 + ... + 7090731.

It is an arithmetic number, because the mean of its divisors is an integer number (2870487503730).

Almost surely, 2^{21050130123143} is an apocalyptic number.

21050130123143 is a deficient number, since it is larger than the sum of its proper divisors (1913769906697).

21050130123143 is a wasteful number, since it uses less digits than its factorization.

21050130123143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142817.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 21050130123143 its reverse (34132103105012), we get a palindrome (55182233228155).

The spelling of 21050130123143 in words is "twenty-one trillion, fifty billion, one hundred thirty million, one hundred twenty-three thousand, one hundred forty-three".