122122000011111 has 64 divisors (see below), whose sum is σ = 169822745164800. Its totient is φ = 77965646976000.

The previous prime is 122122000011083. The next prime is 122122000011161. The reversal of 122122000011111 is 111110000221221.

It is a happy number.

It is not a de Polignac number, because 122122000011111 - 2⁵ = 122122000011079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122000011161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31499095305 + ... + 31499099181.

It is an arithmetic number, because the mean of its divisors is an integer number (2653480393200).

Almost surely, 2^{122122000011111} is an apocalyptic number.

122122000011111 is a deficient number, since it is larger than the sum of its proper divisors (47700745153689).

122122000011111 is a wasteful number, since it uses less digits than its factorization.

122122000011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122122000011111 its reverse (111110000221221), we get a palindrome (233232000232332).

The spelling of 122122000011111 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, eleven thousand, one hundred eleven".