122211120112111 has 4 divisors (see below), whose sum is σ = 122310398033824. Its totient is φ = 122111842190400.

The previous prime is 122211120112099. The next prime is 122211120112153. The reversal of 122211120112111 is 111211021112221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122211120112111 - 2³⁹ = 121661364298223 is a prime.

It is a super-3 number, since 3×122211120112111³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211120113111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49638959010 + ... + 49638961471.

It is an arithmetic number, because the mean of its divisors is an integer number (30577599508456).

Almost surely, 2^{122211120112111} is an apocalyptic number.

122211120112111 is a deficient number, since it is larger than the sum of its proper divisors (99277921713).

122211120112111 is an equidigital number, since it uses as much as digits as its factorization.

122211120112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99277921712.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 122211120112111 its reverse (111211021112221), we get a palindrome (233422141224332).

The spelling of 122211120112111 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred twenty million, one hundred twelve thousand, one hundred eleven".