122002111222211 has 32 divisors (see below), whose sum is σ = 138961733386752. Its totient is φ = 106026274632960.

The previous prime is 122002111222177. The next prime is 122002111222217. The reversal of 122002111222211 is 112222111200221.

It is a de Polignac number, because none of the positive numbers 2^k-122002111222211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122002111222217) 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 31 ways as a sum of consecutive naturals, for example, 7754527901 + ... + 7754543633.

It is an arithmetic number, because the mean of its divisors is an integer number (4342554168336).

Almost surely, 2^{122002111222211} is an apocalyptic number.

122002111222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122002111222211 is a deficient number, since it is larger than the sum of its proper divisors (16959622164541).

122002111222211 is a wasteful number, since it uses less digits than its factorization.

122002111222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31883.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122002111222211 its reverse (112222111200221), we get a palindrome (234224222422432).

The spelling of 122002111222211 in words is "one hundred twenty-two trillion, two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred eleven".