Search a number
-
+
10201121000221 = 73953992556761
BaseRepresentation
bin1001010001110010001000…
…1100011000101100011101
31100010012212122212122112111
42110130202030120230131
52314113343434001341
633410155202034021
72102002200550444
oct224344214305435
940105778778474
1010201121000221
1132832a8953288
121189066948911
1358cc6679bb28
14273a46057d5b
1512a54b9ea681
hex94722318b1d

10201121000221 has 8 divisors (see below), whose sum is σ = 10216820952000. Its totient is φ = 10185426174240.

The previous prime is 10201121000183. The next prime is 10201121000251. The reversal of 10201121000221 is 12200012110201.

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

It is a cyclic number.

It is not a de Polignac number, because 10201121000221 - 29 = 10201120999709 is a prime.

It is a super-2 number, since 2×102011210002212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201121000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2711481 + ... + 5268241.

It is an arithmetic number, because the mean of its divisors is an integer number (1277102619000).

Almost surely, 210201121000221 is an apocalyptic number.

It is an amenable number.

10201121000221 is a deficient number, since it is larger than the sum of its proper divisors (15699951779).

10201121000221 is an equidigital number, since it uses as much as digits as its factorization.

10201121000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562899.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10201121000221 its reverse (12200012110201), we get a palindrome (22401133110422).

The spelling of 10201121000221 in words is "ten trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 739 5399 2556761 3989861 1889446379 13803952639 10201121000221