221210122202 has 8 divisors (see below), whose sum is σ = 331859207412. Its totient is φ = 110590386400.

The previous prime is 221210122169. The next prime is 221210122219. The reversal of 221210122202 is 202221012122.

It is a happy number.

221210122202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 167126433721 + 54083688481 = 408811^2 + 232559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7318499 + ... + 7348662.

Almost surely, 2^221210122202 is an apocalyptic number.

221210122202 is a deficient number, since it is larger than the sum of its proper divisors (110649085210).

221210122202 is a wasteful number, since it uses less digits than its factorization.

221210122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674704.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221210122202 its reverse (202221012122), we get a palindrome (423431134324).

The spelling of 221210122202 in words is "two hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, two hundred two".