210220202122 has 16 divisors (see below), whose sum is σ = 361328362560. Its totient is φ = 89856654048.

The previous prime is 210220202111. The next prime is 210220202141. The reversal of 210220202122 is 221202022012.

It is a junction number, because it is equal to n+sod(n) for n = 210220202096 and 210220202105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19804363 + ... + 19814974.

It is an arithmetic number, because the mean of its divisors is an integer number (22583022660).

Almost surely, 2^210220202122 is an apocalyptic number.

210220202122 is a deficient number, since it is larger than the sum of its proper divisors (151108160438).

210220202122 is a wasteful number, since it uses less digits than its factorization.

210220202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39619725.

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

Adding to 210220202122 its reverse (221202022012), we get a palindrome (431422224134).

The spelling of 210220202122 in words is "two hundred ten billion, two hundred twenty million, two hundred two thousand, one hundred twenty-two".