21034100241 has 24 divisors (see below), whose sum is σ = 37879593024. Its totient is φ = 10926804960.

The previous prime is 21034100239. The next prime is 21034100249. The reversal of 21034100241 is 14200143012.

21034100241 is a `hidden beast` number, since 2 + 10 + 3 + 410 + 0 + 241 = 666.

It is not a de Polignac number, because 21034100241 - 2¹ = 21034100239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21034100249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15175426 + ... + 15176811.

It is an arithmetic number, because the mean of its divisors is an integer number (1578316376).

Almost surely, 2^21034100241 is an apocalyptic number.

21034100241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21034100241 is a deficient number, since it is larger than the sum of its proper divisors (16845492783).

21034100241 is a wasteful number, since it uses less digits than its factorization.

21034100241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30352261 (or 30352258 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21034100241 its reverse (14200143012), we get a palindrome (35234243253).

The spelling of 21034100241 in words is "twenty-one billion, thirty-four million, one hundred thousand, two hundred forty-one".