122001001111 has 8 divisors (see below), whose sum is σ = 133094941200. Its totient is φ = 110907551040.

The previous prime is 122001001091. The next prime is 122001001141. The reversal of 122001001111 is 111100100221.

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

It is a de Polignac number, because none of the positive numbers 2^k-122001001111 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 (122001001141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566685 + ... + 751753.

It is an arithmetic number, because the mean of its divisors is an integer number (16636867650).

Almost surely, 2^122001001111 is an apocalyptic number.

122001001111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122001001111 is a deficient number, since it is larger than the sum of its proper divisors (11093940089).

122001001111 is a wasteful number, since it uses less digits than its factorization.

122001001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245009.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 122001001111 its reverse (111100100221), we get a palindrome (233101101332).

The spelling of 122001001111 in words is "one hundred twenty-two billion, one million, one thousand, one hundred eleven".