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10002111001 = 22744062163
BaseRepresentation
bin10010101000010110…
…00001101000011001
3221211001201212212121
421110023001220121
5130441020023001
64332255541241
7502601353321
oct112413015031
927731655777
1010002111001
114272a27043
121b3182a821
13c3527929c
146ac552281
153d81786a1
hex2542c1a19

10002111001 has 4 divisors (see below), whose sum is σ = 10046173392. Its totient is φ = 9958048612.

The previous prime is 10002110999. The next prime is 10002111017. The reversal of 10002111001 is 10011120001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10011120001 = 23435266087.

It is a cyclic number.

It is not a de Polignac number, because 10002111001 - 21 = 10002110999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22030855 + ... + 22031308.

It is an arithmetic number, because the mean of its divisors is an integer number (2511543348).

Almost surely, 210002111001 is an apocalyptic number.

It is an amenable number.

10002111001 is a deficient number, since it is larger than the sum of its proper divisors (44062391).

10002111001 is an equidigital number, since it uses as much as digits as its factorization.

10002111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44062390.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10002111001 its reverse (10011120001), we get a palindrome (20013231002).

The spelling of 10002111001 in words is "ten billion, two million, one hundred eleven thousand, one".

Divisors: 1 227 44062163 10002111001