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102102122210201 = 993110281152171
BaseRepresentation
bin10111001101110010000000…
…101110011010001110011001
3111101111212102110010011121022
4113031302000232122032121
5101340320121241211301
61001053022321052225
730335430525125501
oct2715620056321631
9441455373104538
10102102122210201
112a5952a3210a93
12b5500aa187075
1344c825ba83019
141b2daaa510a01
15bc0d9ce89d1b
hex5cdc80b9a399

102102122210201 has 4 divisors (see below), whose sum is σ = 102112403372304. Its totient is φ = 102091841048100.

The previous prime is 102102122210197. The next prime is 102102122210213. The reversal of 102102122210201 is 102012221201201.

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 102102122210201 - 22 = 102102122210197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102102122210201.

It is not an unprimeable number, because it can be changed into a prime (102102122210251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5140566155 + ... + 5140586016.

It is an arithmetic number, because the mean of its divisors is an integer number (25528100843076).

Almost surely, 2102102122210201 is an apocalyptic number.

It is an amenable number.

102102122210201 is a deficient number, since it is larger than the sum of its proper divisors (10281162103).

102102122210201 is an equidigital number, since it uses as much as digits as its factorization.

102102122210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10281162102.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102102122210201 its reverse (102012221201201), we get a palindrome (204114343411402).

The spelling of 102102122210201 in words is "one hundred two trillion, one hundred two billion, one hundred twenty-two million, two hundred ten thousand, two hundred one".

Divisors: 1 9931 10281152171 102102122210201