11011121006 has 4 divisors (see below), whose sum is σ = 16516681512. Its totient is φ = 5505560502.

The previous prime is 11011121003. The next prime is 11011121021. The reversal of 11011121006 is 60012111011.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011121003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752780250 + ... + 2752780253.

It is an arithmetic number, because the mean of its divisors is an integer number (4129170378).

Almost surely, 2^11011121006 is an apocalyptic number.

11011121006 is a deficient number, since it is larger than the sum of its proper divisors (5505560506).

11011121006 is an equidigital number, since it uses as much as digits as its factorization.

11011121006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505560505.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11011121006 its reverse (60012111011), we get a palindrome (71023232017).

The spelling of 11011121006 in words is "eleven billion, eleven million, one hundred twenty-one thousand, six".