21002210200222 has 16 divisors (see below), whose sum is σ = 31531343049360. Its totient is φ = 10491762926592.

The previous prime is 21002210200217. The next prime is 21002210200243. The reversal of 21002210200222 is 22200201220012.

It is a junction number, because it is equal to n+sod(n) for n = 21002210200196 and 21002210200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152987529 + ... + 153124747.

It is an arithmetic number, because the mean of its divisors is an integer number (1970708940585).

Almost surely, 2^{21002210200222} is an apocalyptic number.

21002210200222 is a deficient number, since it is larger than the sum of its proper divisors (10529132849138).

21002210200222 is a wasteful number, since it uses less digits than its factorization.

21002210200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204747.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21002210200222 its reverse (22200201220012), we get a palindrome (43202411420234).

The spelling of 21002210200222 in words is "twenty-one trillion, two billion, two hundred ten million, two hundred thousand, two hundred twenty-two".