122022220012111 has 2 divisors, whose sum is σ = 122022220012112. Its totient is φ = 122022220012110.

The previous prime is 122022220012001. The next prime is 122022220012123. The reversal of 122022220012111 is 111210022220221.

It is a strong prime.

It is an emirp because it is prime and its reverse (111210022220221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122022220012111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122022220012411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011110006055 + 61011110006056.

It is an arithmetic number, because the mean of its divisors is an integer number (61011110006056).

Almost surely, 2^{122022220012111} is an apocalyptic number.

122022220012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122022220012111 is an equidigital number, since it uses as much as digits as its factorization.

122022220012111 is an evil number, because the sum of its binary digits is even.

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

Adding to 122022220012111 its reverse (111210022220221), we get a palindrome (233232242232332).

The spelling of 122022220012111 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred twenty million, twelve thousand, one hundred eleven".