Search a number
-
+
102201111020101 = 134117620692791
BaseRepresentation
bin10111001111001110001100…
…111010110000001001000101
3111101212022221011000201210211
4113033032030322300021011
5101343430333410120401
61001210313042515421
730345533543126062
oct2717161472601105
9441768834021724
10102201111020101
112a62327a87aa95
12b567315365b71
1345046a5c38112
141b347bb14dc69
15bc3743532951
hex5cf38ceb0245

102201111020101 has 4 divisors (see below), whose sum is σ = 102208731726304. Its totient is φ = 102193490313900.

The previous prime is 102201111020083. The next prime is 102201111020111. The reversal of 102201111020101 is 101020111102201.

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.

It is a cyclic number.

It is not a de Polignac number, because 102201111020101 - 215 = 102201110987333 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 (102201111020111) 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, 3810332985 + ... + 3810359806.

It is an arithmetic number, because the mean of its divisors is an integer number (25552182931576).

Almost surely, 2102201111020101 is an apocalyptic number.

It is an amenable number.

102201111020101 is a deficient number, since it is larger than the sum of its proper divisors (7620706203).

102201111020101 is an equidigital number, since it uses as much as digits as its factorization.

102201111020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620706202.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102201111020101 its reverse (101020111102201), we get a palindrome (203221222122302).

The spelling of 102201111020101 in words is "one hundred two trillion, two hundred one billion, one hundred eleven million, twenty thousand, one hundred one".

Divisors: 1 13411 7620692791 102201111020101