Search a number
-
+
1010220220221 = 31274675677723
BaseRepresentation
bin11101011001101011101…
…00010011111100111101
310120120112222120101221220
432230311310103330331
5113022412334021341
62052031101143553
7132662125122312
oct16546564237475
93516488511856
101010220220221
1135a482a83693
1214395485abb9
137435679ca24
1436c75932d09
151b428b24a66
hexeb35d13f3d

1010220220221 has 16 divisors (see below), whose sum is σ = 1360473513984. Its totient is φ = 666746249904.

The previous prime is 1010220220213. The next prime is 1010220220241. The reversal of 1010220220221 is 1220220220101.

It is not a de Polignac number, because 1010220220221 - 23 = 1010220220213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010220220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010220220241) 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, 2660935 + ... + 3016788.

It is an arithmetic number, because the mean of its divisors is an integer number (85029594624).

Almost surely, 21010220220221 is an apocalyptic number.

It is an amenable number.

1010220220221 is a deficient number, since it is larger than the sum of its proper divisors (350253293763).

1010220220221 is a wasteful number, since it uses less digits than its factorization.

1010220220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678320.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1010220220221 its reverse (1220220220101), we get a palindrome (2230440440322).

The spelling of 1010220220221 in words is "one trillion, ten billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 127 381 467 1401 59309 177927 5677723 17033169 721070821 2163212463 2651496641 7954489923 336740073407 1010220220221