Search a number
-
+
1010120102121 = 31325900515439
BaseRepresentation
bin11101011001011111101…
…10011001000011101001
310120120022000011212202010
432230233312121003221
5113022211221231441
62052013123230133
7132656501125644
oct16545766310351
93516260155663
101010120102121
1135a431511459
12143927218349
137433bb17550
1436c66510a5b
151b41ee4a116
hexeb2fd990e9

1010120102121 has 8 divisors (see below), whose sum is σ = 1450428864640. Its totient is φ = 621612370512.

The previous prime is 1010120102093. The next prime is 1010120102143. The reversal of 1010120102121 is 1212010210101.

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

It is a de Polignac number, because none of the positive numbers 2k-1010120102121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010120102097 and 1010120102106.

It is not an unprimeable number, because it can be changed into a prime (1010120102171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12950257681 + ... + 12950257758.

It is an arithmetic number, because the mean of its divisors is an integer number (181303608080).

Almost surely, 21010120102121 is an apocalyptic number.

It is an amenable number.

1010120102121 is a deficient number, since it is larger than the sum of its proper divisors (440308762519).

1010120102121 is a wasteful number, since it uses less digits than its factorization.

1010120102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25900515455.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1010120102121 its reverse (1212010210101), we get a palindrome (2222130312222).

The spelling of 1010120102121 in words is "one trillion, ten billion, one hundred twenty million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 3 13 39 25900515439 77701546317 336706700707 1010120102121