21202200201 has 32 divisors (see below), whose sum is σ = 34946731008. Its totient is φ = 11134278720.

The previous prime is 21202200197. The next prime is 21202200247. The reversal of 21202200201 is 10200220212.

It is not a de Polignac number, because 21202200201 - 2² = 21202200197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21202200251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109095 + ... + 233036.

It is an arithmetic number, because the mean of its divisors is an integer number (1092085344).

Almost surely, 2^21202200201 is an apocalyptic number.

21202200201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21202200201 is a deficient number, since it is larger than the sum of its proper divisors (13744530807).

21202200201 is a wasteful number, since it uses less digits than its factorization.

21202200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342381.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 21202200201 its reverse (10200220212), we get a palindrome (31402420413).

The spelling of 21202200201 in words is "twenty-one billion, two hundred two million, two hundred thousand, two hundred one".