11101212012122 has 16 divisors (see below), whose sum is σ = 16718095149480. Its totient is φ = 5528555196672.

The previous prime is 11101212012109. The next prime is 11101212012133. The reversal of 11101212012122 is 22121021210111.

11101212012122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11090691612361 + 10520399761 = 3330269^2 + 102569^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11101212012122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9857243 + ... + 10925550.

Almost surely, 2^{11101212012122} is an apocalyptic number.

11101212012122 is a deficient number, since it is larger than the sum of its proper divisors (5616883137358).

11101212012122 is a wasteful number, since it uses less digits than its factorization.

11101212012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20783857.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11101212012122 its reverse (22121021210111), we get a palindrome (33222233222233).

The spelling of 11101212012122 in words is "eleven trillion, one hundred one billion, two hundred twelve million, twelve thousand, one hundred twenty-two".