Search a number
-
+
102220110212201 = 313297422910071
BaseRepresentation
bin10111001111011111111001…
…010110111010110001101001
3111101221010222020100200201022
4113033133321112322301221
5101344233241203242301
61001223134221302225
730350105423445512
oct2717377126726151
9441833866320638
10102220110212201
112a63033a384243
12b56ab38104975
134506413181c17
141b356a0557a09
15bc3ea64acd1b
hex5cf7f95bac69

102220110212201 has 4 divisors (see below), whose sum is σ = 105517533122304. Its totient is φ = 98922687302100.

The previous prime is 102220110212191. The next prime is 102220110212219. The reversal of 102220110212201 is 102212011022201.

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 de Polignac number, because none of the positive numbers 2k-102220110212201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102220110212201.

It is not an unprimeable number, because it can be changed into a prime (102220110212221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648711455005 + ... + 1648711455066.

It is an arithmetic number, because the mean of its divisors is an integer number (26379383280576).

Almost surely, 2102220110212201 is an apocalyptic number.

It is an amenable number.

102220110212201 is a deficient number, since it is larger than the sum of its proper divisors (3297422910103).

102220110212201 is an equidigital number, since it uses as much as digits as its factorization.

102220110212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297422910102.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102220110212201 its reverse (102212011022201), we get a palindrome (204432121234402).

The spelling of 102220110212201 in words is "one hundred two trillion, two hundred twenty billion, one hundred ten million, two hundred twelve thousand, two hundred one".

Divisors: 1 31 3297422910071 102220110212201