Search a number
-
+
2122102012101 = 341271203931223
BaseRepresentation
bin11110111000010111001…
…000101111100011000101
321111212111221022201222120
4132320113020233203011
5234232031103341401
64302514042520153
7306213444324441
oct36702710574305
97455457281876
102122102012101
11748a84298795
122a333b806059
13125162092386
14749d3047821
153a302796836
hex1ee1722f8c5

2122102012101 has 32 divisors (see below), whose sum is σ = 2910696284160. Its totient is φ = 1374417417600.

The previous prime is 2122102012073. The next prime is 2122102012117. The reversal of 2122102012101 is 1012102012212.

It is not a de Polignac number, because 2122102012101 - 27 = 2122102011973 is a prime.

It is a super-2 number, since 2×21221020121012 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122102012801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67950376 + ... + 67981598.

It is an arithmetic number, because the mean of its divisors is an integer number (90959258880).

Almost surely, 22122102012101 is an apocalyptic number.

It is an amenable number.

2122102012101 is a deficient number, since it is larger than the sum of its proper divisors (788594272059).

2122102012101 is a wasteful number, since it uses less digits than its factorization.

2122102012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33577.

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

Adding to 2122102012101 its reverse (1012102012212), we get a palindrome (3134204024313).

The spelling of 2122102012101 in words is "two trillion, one hundred twenty-two billion, one hundred two million, twelve thousand, one hundred one".

Divisors: 1 3 41 123 271 813 2039 6117 11111 31223 33333 83599 93669 250797 552569 1280143 1657707 3840429 8461433 22655329 25384299 63663697 67965987 190991091 346918753 1040756259 2610211577 7830634731 17252861887 51758585661 707367337367 2122102012101