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11301021021 = 379330714419
BaseRepresentation
bin10101000011001011…
…11110010101011101
31002011120212100110010
422201211332111131
5141121030133041
65105220033433
7550023044103
oct124145762535
932146770403
1011301021021
11487a14a3a4
122234832879
1310b13c20b4
14792c6bc73
15462200a16
hex2a197e55d

11301021021 has 16 divisors (see below), whose sum is σ = 15264435200. Its totient is φ = 7435881648.

The previous prime is 11301021013. The next prime is 11301021029. The reversal of 11301021021 is 12012010311.

It is an interprime number because it is at equal distance from previous prime (11301021013) and next prime (11301021029).

It is not a de Polignac number, because 11301021021 - 23 = 11301021013 is a prime.

It is a super-2 number, since 2×113010210212 (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 = 11301020988 and 11301021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776550 + ... + 790968.

It is an arithmetic number, because the mean of its divisors is an integer number (954027200).

Almost surely, 211301021021 is an apocalyptic number.

It is an amenable number.

11301021021 is a deficient number, since it is larger than the sum of its proper divisors (3963414179).

11301021021 is a wasteful number, since it uses less digits than its factorization.

11301021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17808.

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

Adding to 11301021021 its reverse (12012010311), we get a palindrome (23313031332).

The spelling of 11301021021 in words is "eleven billion, three hundred one million, twenty-one thousand, twenty-one".

Divisors: 1 3 79 237 3307 9921 14419 43257 261253 783759 1139101 3417303 47683633 143050899 3767007007 11301021021