122143340111 has 16 divisors (see below), whose sum is σ = 131887209888. Its totient is φ = 112449600000.

The previous prime is 122143340051. The next prime is 122143340117. The reversal of 122143340111 is 111043341221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122143340111 is a prime.

It is a super-3 number, since 3×122143340111³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122143340117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8563736 + ... + 8577986.

It is an arithmetic number, because the mean of its divisors is an integer number (8242950618).

Almost surely, 2^122143340111 is an apocalyptic number.

122143340111 is a deficient number, since it is larger than the sum of its proper divisors (9743869777).

122143340111 is a wasteful number, since it uses less digits than its factorization.

122143340111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15962.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 122143340111 its reverse (111043341221), we get a palindrome (233186681332).

The spelling of 122143340111 in words is "one hundred twenty-two billion, one hundred forty-three million, three hundred forty thousand, one hundred eleven".