21410200201 has 4 divisors (see below), whose sum is σ = 23057138692. Its totient is φ = 19763261712.

The previous prime is 21410200193. The next prime is 21410200211. The reversal of 21410200201 is 10200201412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11016601600 + 10393598601 = 104960^2 + 101949^2 .

It is a cyclic number.

It is not a de Polignac number, because 21410200201 - 2³ = 21410200193 is a prime.

It is a super-3 number, since 3×21410200201³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1646938477 = 21410200201 / (2 + 1 + 4 + 1 + 0 + 2 + 0 + 0 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410200211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823469226 + ... + 823469251.

It is an arithmetic number, because the mean of its divisors is an integer number (5764284673).

Almost surely, 2^21410200201 is an apocalyptic number.

It is an amenable number.

21410200201 is a deficient number, since it is larger than the sum of its proper divisors (1646938491).

21410200201 is a wasteful number, since it uses less digits than its factorization.

21410200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646938490.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21410200201 its reverse (10200201412), we get a palindrome (31610401613).

The spelling of 21410200201 in words is "twenty-one billion, four hundred ten million, two hundred thousand, two hundred one".