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102223023302221 = 184298955465889
BaseRepresentation
bin10111001111100010100110…
…111111011110011001001101
3111101221102111020211222222021
4113033202212333132121031
5101344310222431132341
61001224335243050141
730350240545345363
oct2717424677363115
9441842436758867
10102223023302221
112a6315a4783958
12b56b60b810951
134506788856b23
141b358993b9633
15bc40c70d59d1
hex5cf8a6fde64d

102223023302221 has 4 divisors (see below), whose sum is σ = 102223080611100. Its totient is φ = 102222965993344.

The previous prime is 102223023302171. The next prime is 102223023302233. The reversal of 102223023302221 is 122203320322201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44024220255625 + 58198803046596 = 6635075^2 + 7628814^2 .

It is a cyclic number.

It is not a de Polignac number, because 102223023302221 - 215 = 102223023269453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102223023302291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25889956 + ... + 29575933.

It is an arithmetic number, because the mean of its divisors is an integer number (25555770152775).

Almost surely, 2102223023302221 is an apocalyptic number.

It is an amenable number.

102223023302221 is a deficient number, since it is larger than the sum of its proper divisors (57308879).

102223023302221 is an equidigital number, since it uses as much as digits as its factorization.

102223023302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57308878.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 102223023302221 its reverse (122203320322201), we get a palindrome (224426343624422).

The spelling of 102223023302221 in words is "one hundred two trillion, two hundred twenty-three billion, twenty-three million, three hundred two thousand, two hundred twenty-one".

Divisors: 1 1842989 55465889 102223023302221