122112200105 has 32 divisors (see below), whose sum is σ = 169233629184. Its totient is φ = 82853205696.

The previous prime is 122112200003. The next prime is 122112200129. The reversal of 122112200105 is 501002211221.

It is a cyclic number.

It is not a de Polignac number, because 122112200105 - 2²⁸ = 121843764649 is a prime.

It is a super-2 number, since 2×122112200105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3213044 + ... + 3250826.

It is an arithmetic number, because the mean of its divisors is an integer number (5288550912).

Almost surely, 2^122112200105 is an apocalyptic number.

It is an amenable number.

122112200105 is a deficient number, since it is larger than the sum of its proper divisors (47121429079).

122112200105 is a wasteful number, since it uses less digits than its factorization.

122112200105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38765.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 122112200105 its reverse (501002211221), we get a palindrome (623114411326).

The spelling of 122112200105 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred thousand, one hundred five".