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1001302110221 = 7143043158603
BaseRepresentation
bin11101001001000100100…
…00011011000000001101
310112201112110120110220112
432210202100123000031
5112401131320011341
62043554123125405
7132225125335520
oct16444220330015
93481473513815
101001302110221
11356716a34646
12142086073865
1373564c9216a
143666b356bb7
151b0a5c21aeb
hexe92241b00d

1001302110221 has 4 divisors (see below), whose sum is σ = 1144345268832. Its totient is φ = 858258951612.

The previous prime is 1001302110203. The next prime is 1001302110271. The reversal of 1001302110221 is 1220112031001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1001302110221 - 226 = 1001235001357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001302110196 and 1001302110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001302110271) 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, 71521579295 + ... + 71521579308.

It is an arithmetic number, because the mean of its divisors is an integer number (286086317208).

Almost surely, 21001302110221 is an apocalyptic number.

It is an amenable number.

1001302110221 is a deficient number, since it is larger than the sum of its proper divisors (143043158611).

1001302110221 is an equidigital number, since it uses as much as digits as its factorization.

1001302110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143043158610.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001302110221 its reverse (1220112031001), we get a palindrome (2221414141222).

The spelling of 1001302110221 in words is "one trillion, one billion, three hundred two million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 7 143043158603 1001302110221