122201101111 has 8 divisors (see below), whose sum is σ = 122895981360. Its totient is φ = 121506857472.

The previous prime is 122201101103. The next prime is 122201101133. The reversal of 122201101111 is 111101102221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122201101111 - 2³ = 122201101103 is a prime.

It is a super-2 number, since 2×122201101111² (a number of 23 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 = 122201101091 and 122201101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201107111) 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, 228525 + ... + 544633.

It is an arithmetic number, because the mean of its divisors is an integer number (15361997670).

Almost surely, 2^122201101111 is an apocalyptic number.

122201101111 is a deficient number, since it is larger than the sum of its proper divisors (694880249).

122201101111 is a wasteful number, since it uses less digits than its factorization.

122201101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318305.

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

Adding to 122201101111 its reverse (111101102221), we get a palindrome (233302203332).

The spelling of 122201101111 in words is "one hundred twenty-two billion, two hundred one million, one hundred one thousand, one hundred eleven".