122112000001111 has 4 divisors (see below), whose sum is σ = 122115175656552. Its totient is φ = 122108824345672.

The previous prime is 122112000001109. The next prime is 122112000001129. The reversal of 122112000001111 is 111100000211221.

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 122112000001111 - 2¹ = 122112000001109 is a prime.

It is a super-2 number, since 2×122112000001111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122112000001091 and 122112000001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112000061111) 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 3 ways as a sum of consecutive naturals, for example, 1587770041 + ... + 1587846946.

It is an arithmetic number, because the mean of its divisors is an integer number (30528793914138).

Almost surely, 2^{122112000001111} is an apocalyptic number.

122112000001111 is a deficient number, since it is larger than the sum of its proper divisors (3175655441).

122112000001111 is an equidigital number, since it uses as much as digits as its factorization.

122112000001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175655440.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122112000001111 its reverse (111100000211221), we get a palindrome (233212000212332).

The spelling of 122112000001111 in words is "one hundred twenty-two trillion, one hundred twelve billion, one thousand, one hundred eleven".