21471604110201 has 48 divisors (see below), whose sum is σ = 33430018628160. Its totient is φ = 12222662578560.

The previous prime is 21471604110053. The next prime is 21471604110227. The reversal of 21471604110201 is 10201140617412.

It is a happy number.

It is not a de Polignac number, because 21471604110201 - 2¹⁵ = 21471604077433 is a prime.

It is a super-2 number, since 2×21471604110201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21471604110241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529737306 + ... + 529777836.

It is an arithmetic number, because the mean of its divisors is an integer number (696458721420).

Almost surely, 2^{21471604110201} is an apocalyptic number.

21471604110201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21471604110201 is a deficient number, since it is larger than the sum of its proper divisors (11958414517959).

21471604110201 is a wasteful number, since it uses less digits than its factorization.

21471604110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54214 (or 54207 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

Adding to 21471604110201 its reverse (10201140617412), we get a palindrome (31672744727613).

The spelling of 21471604110201 in words is "twenty-one trillion, four hundred seventy-one billion, six hundred four million, one hundred ten thousand, two hundred one".