2121302210222 has 16 divisors (see below), whose sum is σ = 3448545196992. Its totient is φ = 972826489440.

The previous prime is 2121302210189. The next prime is 2121302210227. The reversal of 2121302210222 is 2220122031212.

It is a junction number, because it is equal to n+sod(n) for n = 2121302210194 and 2121302210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121302210227) 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 in 7 ways as a sum of consecutive naturals, for example, 259832054 + ... + 259840217.

It is an arithmetic number, because the mean of its divisors is an integer number (215534074812).

Almost surely, 2^{2121302210222} is an apocalyptic number.

2121302210222 is a deficient number, since it is larger than the sum of its proper divisors (1327242986770).

2121302210222 is a wasteful number, since it uses less digits than its factorization.

2121302210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519672443.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2121302210222 its reverse (2220122031212), we get a palindrome (4341424241434).

The spelling of 2121302210222 in words is "two trillion, one hundred twenty-one billion, three hundred two million, two hundred ten thousand, two hundred twenty-two".