122221122010011 has 16 divisors (see below), whose sum is σ = 182861084639520. Its totient is φ = 80674007925600.

The previous prime is 122221122009991. The next prime is 122221122010021. The reversal of 122221122010011 is 110010221122221.

122221122010011 is a `hidden beast` number, since 1 + 222 + 211 + 220 + 1 + 0 + 0 + 11 = 666.

It is not a de Polignac number, because 122221122010011 - 2²⁶ = 122221054901147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122221122010021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22409443920 + ... + 22409449373.

It is an arithmetic number, because the mean of its divisors is an integer number (11428817789970).

Almost surely, 2^{122221122010011} is an apocalyptic number.

122221122010011 is a deficient number, since it is larger than the sum of its proper divisors (60639962629509).

122221122010011 is a wasteful number, since it uses less digits than its factorization.

122221122010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44818893403 (or 44818893397 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122221122010011 its reverse (110010221122221), we get a palindrome (232231343132232).

The spelling of 122221122010011 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-two million, ten thousand, eleven".