111011122011212 has 48 divisors (see below), whose sum is σ = 203724508216320. Its totient is φ = 52885351444992.

The previous prime is 111011122011103. The next prime is 111011122011281. The reversal of 111011122011212 is 212110221110111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47441093 + ... + 49726044.

It is an arithmetic number, because the mean of its divisors is an integer number (4244260587840).

Almost surely, 2^{111011122011212} is an apocalyptic number.

It is an amenable number.

111011122011212 is a deficient number, since it is larger than the sum of its proper divisors (92713386205108).

111011122011212 is a wasteful number, since it uses less digits than its factorization.

111011122011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97167350 (or 97167348 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111011122011212 its reverse (212110221110111), we get a palindrome (323121343121323).

The spelling of 111011122011212 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, eleven thousand, two hundred twelve".