122211120111 has 8 divisors (see below), whose sum is σ = 163472110464. Its totient is φ = 81212104920.

The previous prime is 122211120091. The next prime is 122211120113. The reversal of 122211120111 is 111021112221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122211120111 - 2⁵ = 122211120079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211120113) 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 7 ways as a sum of consecutive naturals, for example, 65492701 + ... + 65494566.

It is an arithmetic number, because the mean of its divisors is an integer number (20434013808).

Almost surely, 2^122211120111 is an apocalyptic number.

122211120111 is a deficient number, since it is larger than the sum of its proper divisors (41260990353).

122211120111 is a wasteful number, since it uses less digits than its factorization.

122211120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130987581.

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

Adding to 122211120111 its reverse (111021112221), we get a palindrome (233232232332).

The spelling of 122211120111 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, one hundred eleven".