21001141124032 has 14 divisors (see below), whose sum is σ = 41674139418128. Its totient is φ = 10500570561984.

The previous prime is 21001141124017. The next prime is 21001141124077. The reversal of 21001141124032 is 23042114110012.

It is a junction number, because it is equal to n+sod(n) for n = 21001141123994 and 21001141124012.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 164071414968 + ... + 164071415095.

It is an arithmetic number, because the mean of its divisors is an integer number (2976724244152).

Almost surely, 2^{21001141124032} is an apocalyptic number.

It is an amenable number.

21001141124032 is a deficient number, since it is larger than the sum of its proper divisors (20672998294096).

21001141124032 is an equidigital number, since it uses as much as digits as its factorization.

21001141124032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328142830075 (or 328142830065 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21001141124032 its reverse (23042114110012), we get a palindrome (44043255234044).

The spelling of 21001141124032 in words is "twenty-one trillion, one billion, one hundred forty-one million, one hundred twenty-four thousand, thirty-two".