122111200011 has 16 divisors (see below), whose sum is σ = 169956581408. Its totient is φ = 77908780800.

The previous prime is 122111199983. The next prime is 122111200019. The reversal of 122111200011 is 110002111221.

It is not a de Polignac number, because 122111200011 - 2¹¹ = 122111197963 is a prime.

It is a super-2 number, since 2×122111200011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122111200011.

It is not an unprimeable number, because it can be changed into a prime (122111200019) 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, 9010450 + ... + 9023991.

It is an arithmetic number, because the mean of its divisors is an integer number (10622286338).

Almost surely, 2^122111200011 is an apocalyptic number.

122111200011 is a deficient number, since it is larger than the sum of its proper divisors (47845381397).

122111200011 is a wasteful number, since it uses less digits than its factorization.

122111200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18034542.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122111200011 its reverse (110002111221), we get a palindrome (232113311232).

The spelling of 122111200011 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred thousand, eleven".