21011410041 has 32 divisors (see below), whose sum is σ = 29442216960. Its totient is φ = 13303059264.

The previous prime is 21011410037. The next prime is 21011410073. The reversal of 21011410041 is 14001411012.

It is not a de Polignac number, because 21011410041 - 2² = 21011410037 is a prime.

It is a super-2 number, since 2×21011410041² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21011410041.

It is not an unprimeable number, because it can be changed into a prime (21011410031) 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, 13795306 + ... + 13796828.

It is an arithmetic number, because the mean of its divisors is an integer number (920069280).

Almost surely, 2^21011410041 is an apocalyptic number.

It is an amenable number.

21011410041 is a deficient number, since it is larger than the sum of its proper divisors (8430806919).

21011410041 is a wasteful number, since it uses less digits than its factorization.

21011410041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21011410041 its reverse (14001411012), we get a palindrome (35012821053).

The spelling of 21011410041 in words is "twenty-one billion, eleven million, four hundred ten thousand, forty-one".