Search a number
-
+
10211012102221 = 74761949501001
BaseRepresentation
bin1001010010010110111110…
…1111111100100001001101
31100011011101222201200200121
42110211233233330201031
52314244123044232341
633414512454424541
72102502253540510
oct224455757744115
940134358650617
1010211012102221
113287514149647
12118ab67362151
13590b81a4b6c8
14274303950d77
1512a92a0474d1
hex9496fbfc84d

10211012102221 has 16 divisors (see below), whose sum is σ = 11918236377600. Its totient is φ = 8565921648000.

The previous prime is 10211012102143. The next prime is 10211012102227. The reversal of 10211012102221 is 12220121011201.

It is a cyclic number.

It is not a de Polignac number, because 10211012102221 - 219 = 10211011577933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10211012102195 and 10211012102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211012102227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20130721 + ... + 20631721.

It is an arithmetic number, because the mean of its divisors is an integer number (744889773600).

Almost surely, 210211012102221 is an apocalyptic number.

It is an amenable number.

10211012102221 is a deficient number, since it is larger than the sum of its proper divisors (1707224275379).

10211012102221 is an equidigital number, since it uses as much as digits as its factorization.

10211012102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563004.

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

Adding to 10211012102221 its reverse (12220121011201), we get a palindrome (22431133113422).

The spelling of 10211012102221 in words is "ten trillion, two hundred eleven billion, twelve million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 7 47 329 61949 433643 501001 2911603 3507007 20381221 23547047 164829329 31036510949 217255576643 1458716014603 10211012102221