21202200010010 has 32 divisors (see below), whose sum is σ = 38184608301840. Its totient is φ = 8476292547072.

The previous prime is 21202200010009. The next prime is 21202200010037. The reversal of 21202200010010 is 1001000220212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2788429079881 + 18413770930129 = 1669859^2 + 4291127^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21202200009973 and 21202200010000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173629256 + ... + 173751324.

Almost surely, 2^{21202200010010} is an apocalyptic number.

21202200010010 is a deficient number, since it is larger than the sum of its proper divisors (16982408291830).

21202200010010 is a wasteful number, since it uses less digits than its factorization.

21202200010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131330.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21202200010010 its reverse (1001000220212), we get a palindrome (22203200230222).

The spelling of 21202200010010 in words is "twenty-one trillion, two hundred two billion, two hundred million, ten thousand, ten".