11050133121 has 12 divisors (see below), whose sum is σ = 15977135460. Its totient is φ = 7359448320.

The previous prime is 11050133119. The next prime is 11050133131. The reversal of 11050133121 is 12133105011.

11050133121 is a `hidden beast` number, since 1 + 10 + 501 + 33 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7471700721 + 3578432400 = 86439^2 + 59820^2 .

It is not a de Polignac number, because 11050133121 - 2¹ = 11050133119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11050133094 and 11050133103.

It is not an unprimeable number, because it can be changed into a prime (11050133131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 599340 + ... + 617501.

It is an arithmetic number, because the mean of its divisors is an integer number (1331427955).

Almost surely, 2^11050133121 is an apocalyptic number.

It is an amenable number.

11050133121 is a deficient number, since it is larger than the sum of its proper divisors (4927002339).

11050133121 is a wasteful number, since it uses less digits than its factorization.

11050133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217856 (or 1217853 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 11050133121 its reverse (12133105011), we get a palindrome (23183238132).

The spelling of 11050133121 in words is "eleven billion, fifty million, one hundred thirty-three thousand, one hundred twenty-one".