11121120022011 has 8 divisors (see below), whose sum is σ = 14830376853840. Its totient is φ = 7412971602432.

The previous prime is 11121120021937. The next prime is 11121120022013. The reversal of 11121120022011 is 11022002112111.

It is a happy number.

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

It is not a de Polignac number, because 11121120022011 - 2¹¹ = 11121120019963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121120022013) 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, 277079650 + ... + 277119783.

It is an arithmetic number, because the mean of its divisors is an integer number (1853797106730).

Almost surely, 2^{11121120022011} is an apocalyptic number.

11121120022011 is a deficient number, since it is larger than the sum of its proper divisors (3709256831829).

11121120022011 is an equidigital number, since it uses as much as digits as its factorization.

11121120022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554206125.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11121120022011 its reverse (11022002112111), we get a palindrome (22143122134122).

The spelling of 11121120022011 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty million, twenty-two thousand, eleven".