11010011121021 has 16 divisors (see below), whose sum is σ = 16038357445440. Its totient is φ = 6662819089920.

The previous prime is 11010011121019. The next prime is 11010011121029. The reversal of 11010011121021 is 12012111001011.

It is not a de Polignac number, because 11010011121021 - 2¹ = 11010011121019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11010011120988 and 11010011121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010011121029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247850526 + ... + 247894943.

It is an arithmetic number, because the mean of its divisors is an integer number (1002397340340).

Almost surely, 2^{11010011121021} is an apocalyptic number.

11010011121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11010011121021 is a deficient number, since it is larger than the sum of its proper divisors (5028346324419).

11010011121021 is a wasteful number, since it uses less digits than its factorization.

11010011121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495746156.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11010011121021 its reverse (12012111001011), we get a palindrome (23022122122032).

The spelling of 11010011121021 in words is "eleven trillion, ten billion, eleven million, one hundred twenty-one thousand, twenty-one".