11012112120111 has 32 divisors (see below), whose sum is σ = 15803817942528. Its totient is φ = 6796135557120.

The previous prime is 11012112120071. The next prime is 11012112120133. The reversal of 11012112120111 is 11102121121011.

It is not a de Polignac number, because 11012112120111 - 2⁶ = 11012112120047 is a prime.

It is a super-2 number, since 2×11012112120111² (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 (11012112120181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6538291 + ... + 8048196.

It is an arithmetic number, because the mean of its divisors is an integer number (493869310704).

Almost surely, 2^{11012112120111} is an apocalyptic number.

11012112120111 is a deficient number, since it is larger than the sum of its proper divisors (4791705822417).

11012112120111 is a wasteful number, since it uses less digits than its factorization.

11012112120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14586751.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11012112120111 its reverse (11102121121011), we get a palindrome (22114233241122).

The spelling of 11012112120111 in words is "eleven trillion, twelve billion, one hundred twelve million, one hundred twenty thousand, one hundred eleven".