221122122102122 has 8 divisors (see below), whose sum is σ = 351193958632836. Its totient is φ = 104057469224512.

The previous prime is 221122122102107. The next prime is 221122122102199. The reversal of 221122122102122 is 221201221221122.

It can be written as a sum of positive squares in 2 ways, for example, as 219497825380681 + 1624296721441 = 14815459^2 + 1274479^2 .

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, 3251795913233 + ... + 3251795913300.

Almost surely, 2^{221122122102122} is an apocalyptic number.

221122122102122 is a deficient number, since it is larger than the sum of its proper divisors (130071836530714).

221122122102122 is a wasteful number, since it uses less digits than its factorization.

221122122102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503591826552.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 221122122102122 its reverse (221201221221122), we get a palindrome (442323343323244).

The spelling of 221122122102122 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, one hundred twenty-two".