Search a number
-
+
102120221210011 = 1728121377479843
BaseRepresentation
bin10111001110000010110111…
…100000100111010110011011
3111101120121010210120121211121
4113032002313200213112123
5101341114203112210021
61001105214301310111
730336641165106004
oct2716026740472633
9441517123517747
10102120221210011
112a5a1a40671474
12b5536bb565337
1344c9b84666a74
141b3090614c1ab
15bc15abd9b741
hex5ce0b782759b

102120221210011 has 8 divisors (see below), whose sum is σ = 108512087688144. Its totient is φ = 95771109692160.

The previous prime is 102120221209957. The next prime is 102120221210057. The reversal of 102120221210011 is 110012122021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102120221210011 - 227 = 102120086992283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120221211011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10688735145 + ... + 10688744698.

It is an arithmetic number, because the mean of its divisors is an integer number (13564010961018).

Almost surely, 2102120221210011 is an apocalyptic number.

102120221210011 is a deficient number, since it is larger than the sum of its proper divisors (6391866478133).

102120221210011 is a wasteful number, since it uses less digits than its factorization.

102120221210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21377480141.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102120221210011 its reverse (110012122021201), we get a palindrome (212132343231212).

The spelling of 102120221210011 in words is "one hundred two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred ten thousand, eleven".

Divisors: 1 17 281 4777 21377479843 363417157331 6007071835883 102120221210011