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102210020201 = 151676887551
BaseRepresentation
bin101111100110000110…
…0010010001101101001
3100202211012012000000202
41133030030102031221
53133311231121301
6114542111241545
710245600560042
oct1371414221551
9322735160022
10102210020201
113a38a989a83
1217985b192b5
13983b63bbc3
144d387898c9
1529d328566b
hex17cc312369

102210020201 has 4 divisors (see below), whose sum is σ = 102886907904. Its totient is φ = 101533132500.

The previous prime is 102210020153. The next prime is 102210020203. The reversal of 102210020201 is 102020012201.

It is a happy number.

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: 102020012201 = 577176811113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102210020201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102210020203) 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, 338443625 + ... + 338443926.

It is an arithmetic number, because the mean of its divisors is an integer number (25721726976).

Almost surely, 2102210020201 is an apocalyptic number.

It is an amenable number.

102210020201 is a deficient number, since it is larger than the sum of its proper divisors (676887703).

102210020201 is an equidigital number, since it uses as much as digits as its factorization.

102210020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676887702.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102210020201 its reverse (102020012201), we get a palindrome (204230032402).

The spelling of 102210020201 in words is "one hundred two billion, two hundred ten million, twenty thousand, two hundred one".

Divisors: 1 151 676887551 102210020201