11121001010111 has 8 divisors (see below), whose sum is σ = 11190045205248. Its totient is φ = 11052040356000.

The previous prime is 11121001010107. The next prime is 11121001010209. The reversal of 11121001010111 is 11101010012111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121001010111 - 2² = 11121001010107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121001010092 and 11121001010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121001040111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20618180 + ... + 21150681.

It is an arithmetic number, because the mean of its divisors is an integer number (1398755650656).

Almost surely, 2^{11121001010111} is an apocalyptic number.

11121001010111 is a deficient number, since it is larger than the sum of its proper divisors (69044195137).

11121001010111 is a wasteful number, since it uses less digits than its factorization.

11121001010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41770513.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11121001010111 its reverse (11101010012111), we get a palindrome (22222011022222).

The spelling of 11121001010111 in words is "eleven trillion, one hundred twenty-one billion, one million, ten thousand, one hundred eleven".