11102122212111 has 24 divisors (see below), whose sum is σ = 18327400525824. Its totient is φ = 6344039489040.

The previous prime is 11102122212061. The next prime is 11102122212173. The reversal of 11102122212111 is 11121222120111.

It is a happy number.

11102122212111 is a `hidden beast` number, since 11 + 10 + 212 + 221 + 211 + 1 = 666.

11102122212111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11102122212111 - 2⁶ = 11102122212047 is a prime.

It is a super-2 number, since 2×11102122212111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102122212611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23949250 + ... + 24408416.

It is an arithmetic number, because the mean of its divisors is an integer number (763641688576).

Almost surely, 2^{11102122212111} is an apocalyptic number.

11102122212111 is a deficient number, since it is larger than the sum of its proper divisors (7225278313713).

11102122212111 is a wasteful number, since it uses less digits than its factorization.

11102122212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842971 (or 842968 counting only the distinct ones).

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

Adding to 11102122212111 its reverse (11121222120111), we get a palindrome (22223344332222).

The spelling of 11102122212111 in words is "eleven trillion, one hundred two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred eleven".