Search a number
-
+
1000222010101 = 6384371566673
BaseRepresentation
bin11101000111000011110…
…00001010101011110101
310112121202012011201002101
432203201320022223311
5112341423313310401
62043255020542101
7132156301543546
oct16434170125365
93477665151071
101000222010101
11356212281416
12141a243b1931
137342228b172
14365a7b184cd
151b040ebc101
hexe8e1e0aaf5

1000222010101 has 4 divisors (see below), whose sum is σ = 1000224215212. Its totient is φ = 1000219804992.

The previous prime is 1000222010033. The next prime is 1000222010107. The reversal of 1000222010101 is 1010102220001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 991428447025 + 8793563076 = 995705^2 + 93774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1000222010101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222010107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144900 + ... + 1421773.

It is an arithmetic number, because the mean of its divisors is an integer number (250056053803).

Almost surely, 21000222010101 is an apocalyptic number.

It is an amenable number.

1000222010101 is a deficient number, since it is larger than the sum of its proper divisors (2205111).

1000222010101 is an equidigital number, since it uses as much as digits as its factorization.

1000222010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205110.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000222010101 its reverse (1010102220001), we get a palindrome (2010324230102).

The spelling of 1000222010101 in words is "one trillion, two hundred twenty-two million, ten thousand, one hundred one".

Divisors: 1 638437 1566673 1000222010101