122122010102221 has 4 divisors (see below), whose sum is σ = 123202735855452. Its totient is φ = 121041284348992.

The previous prime is 122122010102203. The next prime is 122122010102249. The reversal of 122122010102221 is 122201010221221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 998470585225 + 121123539516996 = 999235^2 + 11005614^2 .

It is a cyclic number.

It is not a de Polignac number, because 122122010102221 - 2⁹ = 122122010101709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122010102021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540362876446 + ... + 540362876671.

It is an arithmetic number, because the mean of its divisors is an integer number (30800683963863).

Almost surely, 2^{122122010102221} is an apocalyptic number.

It is an amenable number.

122122010102221 is a deficient number, since it is larger than the sum of its proper divisors (1080725753231).

122122010102221 is a wasteful number, since it uses less digits than its factorization.

122122010102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080725753230.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122122010102221 its reverse (122201010221221), we get a palindrome (244323020323442).

The spelling of 122122010102221 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, ten million, one hundred two thousand, two hundred twenty-one".