21141322041 has 32 divisors (see below), whose sum is σ = 33016209408. Its totient is φ = 11780703360.

The previous prime is 21141322031. The next prime is 21141322063. The reversal of 21141322041 is 14022314112.

It is not a de Polignac number, because 21141322041 - 2⁶ = 21141321977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 21141321999 and 21141322017.

It is not an unprimeable number, because it can be changed into a prime (21141322031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2547000 + ... + 2555286.

It is an arithmetic number, because the mean of its divisors is an integer number (1031756544).

Almost surely, 2^21141322041 is an apocalyptic number.

21141322041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21141322041 is a deficient number, since it is larger than the sum of its proper divisors (11874887367).

21141322041 is a wasteful number, since it uses less digits than its factorization.

21141322041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11301.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21141322041 its reverse (14022314112), we get a palindrome (35163636153).

The spelling of 21141322041 in words is "twenty-one billion, one hundred forty-one million, three hundred twenty-two thousand, forty-one".