222120211200122 has 4 divisors (see below), whose sum is σ = 333180316800186. Its totient is φ = 111060105600060.

The previous prime is 222120211200113. The next prime is 222120211200131. The reversal of 222120211200122 is 221002112021222.

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

It is an interprime number because it is at equal distance from previous prime (222120211200113) and next prime (222120211200131).

It can be written as a sum of positive squares in only one way, i.e., 161167823745721 + 60952387454401 = 12695189^2 + 7807201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222120211200094 and 222120211200103.

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 as a sum of consecutive naturals, namely, 55530052800029 + ... + 55530052800032.

Almost surely, 2^{222120211200122} is an apocalyptic number.

222120211200122 is a deficient number, since it is larger than the sum of its proper divisors (111060105600064).

222120211200122 is a wasteful number, since it uses less digits than its factorization.

222120211200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111060105600063.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222120211200122 its reverse (221002112021222), we get a palindrome (443122323221344).

The spelling of 222120211200122 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred eleven million, two hundred thousand, one hundred twenty-two".