11450301021 has 10 divisors (see below), whose sum is σ = 17104770782. Its totient is φ = 7633533960.

The previous prime is 11450301011. The next prime is 11450301029. The reversal of 11450301021 is 12010305411.

It can be written as a sum of positive squares in only one way, i.e., 11001072996 + 449228025 = 104886^2 + 21195^2 .

It is not a de Polignac number, because 11450301021 - 2²² = 11446106717 is a prime.

It is a super-2 number, since 2×11450301021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11450300985 and 11450301003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11450301029) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70680790 + ... + 70680951.

Almost surely, 2^11450301021 is an apocalyptic number.

It is an amenable number.

11450301021 is a deficient number, since it is larger than the sum of its proper divisors (5654469761).

11450301021 is an equidigital number, since it uses as much as digits as its factorization.

11450301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141361753 (or 141361744 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 11450301021 its reverse (12010305411), we get a palindrome (23460606432).

The spelling of 11450301021 in words is "eleven billion, four hundred fifty million, three hundred one thousand, twenty-one".