21050130123141 has 48 divisors (see below), whose sum is σ = 33407605545984. Its totient is φ = 11750205158496.

The previous prime is 21050130123137. The next prime is 21050130123181. The reversal of 21050130123141 is 14132103105012.

It is not a de Polignac number, because 21050130123141 - 2² = 21050130123137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21050130123131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 700626 + ... + 6526188.

It is an arithmetic number, because the mean of its divisors is an integer number (695991782208).

Almost surely, 2^{21050130123141} is an apocalyptic number.

21050130123141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21050130123141 is a deficient number, since it is larger than the sum of its proper divisors (12357475422843).

21050130123141 is a wasteful number, since it uses less digits than its factorization.

21050130123141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826150 (or 5826143 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 21050130123141 its reverse (14132103105012), we get a palindrome (35182233228153).

The spelling of 21050130123141 in words is "twenty-one trillion, fifty billion, one hundred thirty million, one hundred twenty-three thousand, one hundred forty-one".