Search a number
-
+
102202120111 = 7131123100221
BaseRepresentation
bin101111100101110111…
…0001001011110101111
3100202210122022122010211
41133023232021132233
53133302220320421
6114541230043251
710245443454520
oct1371356113657
9322718278124
10102202120111
113a386483583
1217983349527
139839b040b0
144d376d0847
1529d27249e1
hex17cbb897af

102202120111 has 8 divisors (see below), whose sum is σ = 125787224864. Its totient is φ = 80863215840.

The previous prime is 102202120109. The next prime is 102202120121. The reversal of 102202120111 is 111021202201.

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 102202120111 - 21 = 102202120109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 102202120091 and 102202120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202120121) 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, 561550020 + ... + 561550201.

It is an arithmetic number, because the mean of its divisors is an integer number (15723403108).

Almost surely, 2102202120111 is an apocalyptic number.

102202120111 is a deficient number, since it is larger than the sum of its proper divisors (23585104753).

102202120111 is a wasteful number, since it uses less digits than its factorization.

102202120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123100241.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102202120111 its reverse (111021202201), we get a palindrome (213223322312).

The spelling of 102202120111 in words is "one hundred two billion, two hundred two million, one hundred twenty thousand, one hundred eleven".

Divisors: 1 7 13 91 1123100221 7861701547 14600302873 102202120111