21300211202 has 4 divisors (see below), whose sum is σ = 31950316806. Its totient is φ = 10650105600.

The previous prime is 21300211159. The next prime is 21300211223. The reversal of 21300211202 is 20211200312.

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 only one way, i.e., 15363354601 + 5936856601 = 123949^2 + 77051^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5325052799 + ... + 5325052802.

Almost surely, 2^21300211202 is an apocalyptic number.

21300211202 is a deficient number, since it is larger than the sum of its proper divisors (10650105604).

21300211202 is a wasteful number, since it uses less digits than its factorization.

21300211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650105603.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21300211202 its reverse (20211200312), we get a palindrome (41511411514).

The spelling of 21300211202 in words is "twenty-one billion, three hundred million, two hundred eleven thousand, two hundred two".