122111201122011 has 16 divisors (see below), whose sum is σ = 183453447697920. Its totient is φ = 80260883365320.

The previous prime is 122111201121961. The next prime is 122111201122039. The reversal of 122111201122011 is 110221102111221.

It is a happy number.

122111201122011 is a `hidden beast` number, since 1 + 221 + 11 + 201 + 1 + 220 + 11 = 666.

It is not a de Polignac number, because 122111201122011 - 2¹⁴ = 122111201105627 is a prime.

It is a super-2 number, since 2×122111201122011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111201122811) 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, 31849554975 + ... + 31849558808.

It is an arithmetic number, because the mean of its divisors is an integer number (11465840481120).

Almost surely, 2^{122111201122011} is an apocalyptic number.

122111201122011 is a deficient number, since it is larger than the sum of its proper divisors (61342246575909).

122111201122011 is an equidigital number, since it uses as much as digits as its factorization.

122111201122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63699113863 (or 63699113857 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 122111201122011 its reverse (110221102111221), we get a palindrome (232332303233232).

The spelling of 122111201122011 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred one million, one hundred twenty-two thousand, eleven".