122110121113111 has 4 divisors (see below), whose sum is σ = 123655818848800. Its totient is φ = 120564423377424.

The previous prime is 122110121113081. The next prime is 122110121113157. The reversal of 122110121113111 is 111311121011221.

It is a happy number.

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 122110121113111 - 2²³ = 122110112724503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110121183111) 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, 772848867726 + ... + 772848867883.

It is an arithmetic number, because the mean of its divisors is an integer number (30913954712200).

Almost surely, 2^{122110121113111} is an apocalyptic number.

122110121113111 is a deficient number, since it is larger than the sum of its proper divisors (1545697735689).

122110121113111 is an equidigital number, since it uses as much as digits as its factorization.

122110121113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545697735688.

The product of its (nonzero) digits is 24, while the sum is 19.

Adding to 122110121113111 its reverse (111311121011221), we get a palindrome (233421242124332).

The spelling of 122110121113111 in words is "one hundred twenty-two trillion, one hundred ten billion, one hundred twenty-one million, one hundred thirteen thousand, one hundred eleven".