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102211010201 = 207743492007
BaseRepresentation
bin101111100110001000…
…0000011111010011001
3100202211021001022001102
41133030100003322121
53133312004311301
6114542144401145
710245612152246
oct1371420037231
9322737038042
10102211010201
113a3904a5863
12179863161b5
13983b8c76c1
144d389665cd
1529d33cdb6b
hex17cc403e99

102211010201 has 4 divisors (see below), whose sum is σ = 102211709952. Its totient is φ = 102210310452.

The previous prime is 102211010179. The next prime is 102211010257. The reversal of 102211010201 is 102010112201.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102010112201 = 109935872589.

It is a cyclic number.

It is not a de Polignac number, because 102211010201 - 210 = 102211009177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102211010401) 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, 38261 + ... + 453746.

It is an arithmetic number, because the mean of its divisors is an integer number (25552927488).

Almost surely, 2102211010201 is an apocalyptic number.

It is an amenable number.

102211010201 is a deficient number, since it is larger than the sum of its proper divisors (699751).

102211010201 is an equidigital number, since it uses as much as digits as its factorization.

102211010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699750.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102211010201 its reverse (102010112201), we get a palindrome (204221122402).

The spelling of 102211010201 in words is "one hundred two billion, two hundred eleven million, ten thousand, two hundred one".

Divisors: 1 207743 492007 102211010201