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11221231002301 = 12179220403453
BaseRepresentation
bin1010001101001010010101…
…1111001110001010111101
31110201201221212211000202101
42203102211133032022331
52432322040114033201
635510543511425101
72235464364524245
oct243224537161275
943651855730671
1011221231002301
113636996400401
1213128bb685191
13635208178588
142ab17921cb25
15146d539aad01
hexa34a57ce2bd

11221231002301 has 4 divisors (see below), whose sum is σ = 11230451406972. Its totient is φ = 11212010597632.

The previous prime is 11221231002281. The next prime is 11221231002347. The reversal of 11221231002301 is 10320013212211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2191957236676 + 9029273765625 = 1480526^2 + 3004875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11221231002301 is a prime.

It is a super-2 number, since 2×112212310023012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221231002601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4610200510 + ... + 4610202943.

It is an arithmetic number, because the mean of its divisors is an integer number (2807612851743).

Almost surely, 211221231002301 is an apocalyptic number.

It is an amenable number.

11221231002301 is a deficient number, since it is larger than the sum of its proper divisors (9220404671).

11221231002301 is an equidigital number, since it uses as much as digits as its factorization.

11221231002301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220404670.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11221231002301 its reverse (10320013212211), we get a palindrome (21541244214512).

The spelling of 11221231002301 in words is "eleven trillion, two hundred twenty-one billion, two hundred thirty-one million, two thousand, three hundred one".

Divisors: 1 1217 9220403453 11221231002301