Search a number
-
+
221002120110201 = 385785959595531
BaseRepresentation
bin110010010000000000010000…
…110111010010000001111001
31001222111121002201212202011020
4302100000100313102001321
5212431344320222011301
62102010550011253053
764356606362620653
oct6220002067220171
91058447081782136
10221002120110201
116446652231a471
1220953836a4a189
139641544b4a911
143c807b9acb6d3
151a83b8b877436
hexc90010dd2079

221002120110201 has 8 divisors (see below), whose sum is σ = 295013331865824. Its totient is φ = 147162827547360.

The previous prime is 221002120110193. The next prime is 221002120110397. The reversal of 221002120110201 is 102011021200122.

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

It is not a de Polignac number, because 221002120110201 - 23 = 221002120110193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221002120110601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42979795195 + ... + 42979800336.

It is an arithmetic number, because the mean of its divisors is an integer number (36876666483228).

Almost surely, 2221002120110201 is an apocalyptic number.

It is an amenable number.

221002120110201 is a deficient number, since it is larger than the sum of its proper divisors (74011211755623).

221002120110201 is an equidigital number, since it uses as much as digits as its factorization.

221002120110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85959596391.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221002120110201 its reverse (102011021200122), we get a palindrome (323013141310323).

The spelling of 221002120110201 in words is "two hundred twenty-one trillion, two billion, one hundred twenty million, one hundred ten thousand, two hundred one".

Divisors: 1 3 857 2571 85959595531 257878786593 73667373370067 221002120110201