Search a number
-
+
10201221222101 = 7131031108730681
BaseRepresentation
bin1001010001110010100000…
…1010101100111011010101
31100010020010122110110002222
42110130220022230323111
52314114100113101401
633410213142112125
72102004525455510
oct224345012547325
940106118413088
1010201221222101
11328334a486488
12118909441b645
1358cc8148c610
14273a554a5d77
1512a5556e5c1b
hex947282aced5

10201221222101 has 16 divisors (see below), whose sum is σ = 12567527148288. Its totient is φ = 8063467228800.

The previous prime is 10201221222097. The next prime is 10201221222133. The reversal of 10201221222101 is 10122212210201.

It is a cyclic number.

It is not a de Polignac number, because 10201221222101 - 22 = 10201221222097 is a prime.

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 10201221222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201221222601) 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, 54271520 + ... + 54459161.

It is an arithmetic number, because the mean of its divisors is an integer number (785470446768).

Almost surely, 210201221222101 is an apocalyptic number.

It is an amenable number.

10201221222101 is a deficient number, since it is larger than the sum of its proper divisors (2366305926187).

10201221222101 is a wasteful number, since it uses less digits than its factorization.

10201221222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108731732.

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

Adding to 10201221222101 its reverse (10122212210201), we get a palindrome (20323433432302).

The spelling of 10201221222101 in words is "ten trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 7 13 91 1031 7217 13403 93821 108730681 761114767 1413498853 9894491971 112101332111 784709324777 1457317317443 10201221222101