11021210212104 has 24 divisors (see below), whose sum is σ = 29849110991310. Its totient is φ = 3673736737344.

The previous prime is 11021210212043. The next prime is 11021210212109. The reversal of 11021210212104 is 40121201212011.

It can be written as a sum of positive squares in only one way, i.e., 9971056659204 + 1050153552900 = 3157698^2 + 1024770^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11021210212109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76536181957 + ... + 76536182100.

Almost surely, 2^{11021210212104} is an apocalyptic number.

It is an amenable number.

11021210212104 is an abundant number, since it is smaller than the sum of its proper divisors (18827900779206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021210212104 is a wasteful number, since it uses less digits than its factorization.

11021210212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153072364069 (or 153072364062 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11021210212104 its reverse (40121201212011), we get a palindrome (51142411424115).

The spelling of 11021210212104 in words is "eleven trillion, twenty-one billion, two hundred ten million, two hundred twelve thousand, one hundred four".