122011112020011 has 24 divisors (see below), whose sum is σ = 165149274926160. Its totient is φ = 80125016666112.

The previous prime is 122011112020001. The next prime is 122011112020019. The reversal of 122011112020011 is 110020211110221.

It is a happy number.

It is not a de Polignac number, because 122011112020011 - 2¹³ = 122011112011819 is a prime.

It is a super-2 number, since 2×122011112020011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122011112020019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1264354915 + ... + 1264451411.

It is an arithmetic number, because the mean of its divisors is an integer number (6881219788590).

Almost surely, 2^{122011112020011} is an apocalyptic number.

122011112020011 is a deficient number, since it is larger than the sum of its proper divisors (43138162906149).

122011112020011 is an frugal number, since it uses more digits than its factorization.

122011112020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190523 (or 190456 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122011112020011 its reverse (110020211110221), we get a palindrome (232031323130232).

The spelling of 122011112020011 in words is "one hundred twenty-two trillion, eleven billion, one hundred twelve million, twenty thousand, eleven".