Search a number
-
+
10112220012121 = 127227350765549
BaseRepresentation
bin1001001100100110111101…
…0010000001111001011001
31022210201101222222112022121
42103021233102001321121
52311134311310341441
633301253441221241
72062404144613303
oct223115722017131
938721358875277
1010112220012121
113249628632097
121173996031821
13584769572866
1426d6110bc973
15128096dabdd1
hex9326f481e59

10112220012121 has 8 divisors (see below), whose sum is σ = 10236741811200. Its totient is φ = 9988399744848.

The previous prime is 10112220012061. The next prime is 10112220012133. The reversal of 10112220012121 is 12121002221101.

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 10112220012121 - 213 = 10112220003929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112220012095 and 10112220012104.

It is not an unprimeable number, because it can be changed into a prime (10112220012421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175353946 + ... + 175411603.

It is an arithmetic number, because the mean of its divisors is an integer number (1279592726400).

Almost surely, 210112220012121 is an apocalyptic number.

It is an amenable number.

10112220012121 is a deficient number, since it is larger than the sum of its proper divisors (124521799079).

10112220012121 is a wasteful number, since it uses less digits than its factorization.

10112220012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350765903.

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

Adding to 10112220012121 its reverse (12121002221101), we get a palindrome (22233222233222).

The spelling of 10112220012121 in words is "ten trillion, one hundred twelve billion, two hundred twenty million, twelve thousand, one hundred twenty-one".

Divisors: 1 127 227 28829 350765549 44547224723 79623779623 10112220012121