11031011121 has 8 divisors (see below), whose sum is σ = 15839400640. Its totient is φ = 6788314512.

The previous prime is 11031011107. The next prime is 11031011141. The reversal of 11031011121 is 12111013011.

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

It is not a de Polignac number, because 11031011121 - 2¹⁸ = 11030748977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031011097 and 11031011106.

It is not an unprimeable number, because it can be changed into a prime (11031011141) 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, 141423181 + ... + 141423258.

It is an arithmetic number, because the mean of its divisors is an integer number (1979925080).

Almost surely, 2^11031011121 is an apocalyptic number.

It is an amenable number.

11031011121 is a deficient number, since it is larger than the sum of its proper divisors (4808389519).

11031011121 is a wasteful number, since it uses less digits than its factorization.

11031011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282846455.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11031011121 its reverse (12111013011), we get a palindrome (23142024132).

The spelling of 11031011121 in words is "eleven billion, thirty-one million, eleven thousand, one hundred twenty-one".