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1001020102201 = 7143002871743
BaseRepresentation
bin11101001000100010111…
…00101001011000111001
310112200210210220222122001
432210101130221120321
5112400042121232301
62043510130501001
7132215132322640
oct16442134513071
93480723828561
101001020102201
11356591829869
12142007734761
137351b723802
1436641b08357
151b08b0b8c01
hexe911729639

1001020102201 has 4 divisors (see below), whose sum is σ = 1144022973952. Its totient is φ = 858017230452.

The previous prime is 1001020102177. The next prime is 1001020102219. The reversal of 1001020102201 is 1022010201001.

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 1001020102201 - 25 = 1001020102169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001020108201) 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 3 ways as a sum of consecutive naturals, for example, 71501435865 + ... + 71501435878.

It is an arithmetic number, because the mean of its divisors is an integer number (286005743488).

Almost surely, 21001020102201 is an apocalyptic number.

It is an amenable number.

1001020102201 is a deficient number, since it is larger than the sum of its proper divisors (143002871751).

1001020102201 is an equidigital number, since it uses as much as digits as its factorization.

1001020102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143002871750.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001020102201 its reverse (1022010201001), we get a palindrome (2023030303202).

The spelling of 1001020102201 in words is "one trillion, one billion, twenty million, one hundred two thousand, two hundred one".

Divisors: 1 7 143002871743 1001020102201