21127757013050 has 24 divisors (see below), whose sum is σ = 40211526374976. Its totient is φ = 8254565529840.

The previous prime is 21127757013029. The next prime is 21127757013133. The reversal of 21127757013050 is 5031075772112.

It is a junction number, because it is equal to n+sod(n) for n = 21127757012989 and 21127757013007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4913429714 + ... + 4913434013.

It is an arithmetic number, because the mean of its divisors is an integer number (1675480265624).

Almost surely, 2^{21127757013050} is an apocalyptic number.

21127757013050 is a deficient number, since it is larger than the sum of its proper divisors (19083769361926).

21127757013050 is a wasteful number, since it uses less digits than its factorization.

21127757013050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826863782 (or 9826863777 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 41.

The spelling of 21127757013050 in words is "twenty-one trillion, one hundred twenty-seven billion, seven hundred fifty-seven million, thirteen thousand, fifty".