210202001222222 has 4 divisors (see below), whose sum is σ = 315303001833336. Its totient is φ = 105101000611110.

The previous prime is 210202001222221. The next prime is 210202001222267. The reversal of 210202001222222 is 222222100202012.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 210202001222194 and 210202001222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210202001222221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52550500305554 + ... + 52550500305557.

It is an arithmetic number, because the mean of its divisors is an integer number (78825750458334).

Almost surely, 2^{210202001222222} is an apocalyptic number.

210202001222222 is a deficient number, since it is larger than the sum of its proper divisors (105101000611114).

210202001222222 is a wasteful number, since it uses less digits than its factorization.

210202001222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105101000611113.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 210202001222222 its reverse (222222100202012), we get a palindrome (432424101424234).

The spelling of 210202001222222 in words is "two hundred ten trillion, two hundred two billion, one million, two hundred twenty-two thousand, two hundred twenty-two".