11413011321021 has 32 divisors (see below), whose sum is σ = 16010731554048. Its totient is φ = 7222058703360.

The previous prime is 11413011321017. The next prime is 11413011321037. The reversal of 11413011321021 is 12012311031411.

It is a happy number.

It is not a de Polignac number, because 11413011321021 - 2² = 11413011321017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11413011321001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92446491 + ... + 92569863.

It is an arithmetic number, because the mean of its divisors is an integer number (500335361064).

Almost surely, 2^{11413011321021} is an apocalyptic number.

It is an amenable number.

11413011321021 is a deficient number, since it is larger than the sum of its proper divisors (4597720233027).

11413011321021 is a wasteful number, since it uses less digits than its factorization.

11413011321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143781.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11413011321021 its reverse (12012311031411), we get a palindrome (23425322352432).

The spelling of 11413011321021 in words is "eleven trillion, four hundred thirteen billion, eleven million, three hundred twenty-one thousand, twenty-one".