21040141522 has 8 divisors (see below), whose sum is σ = 31564871856. Its totient is φ = 10518517572.

The previous prime is 21040141513. The next prime is 21040141543. The reversal of 21040141522 is 22514104012.

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

It is a junction number, because it is equal to n+sod(n) for n = 21040141493 and 21040141502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759588 + ... + 786799.

It is an arithmetic number, because the mean of its divisors is an integer number (3945608982).

Almost surely, 2^21040141522 is an apocalyptic number.

21040141522 is a deficient number, since it is larger than the sum of its proper divisors (10524730334).

21040141522 is a wasteful number, since it uses less digits than its factorization.

21040141522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553192.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 21040141522 its reverse (22514104012), we get a palindrome (43554245534).

The spelling of 21040141522 in words is "twenty-one billion, forty million, one hundred forty-one thousand, five hundred twenty-two".