Search a number
-
+
100010120122121 = 119091829102011
BaseRepresentation
bin10110101111010101101011…
…101011110000111100001001
3111010002212121020002222222112
4112233111223223300330021
5101102031211222401441
6552412003120032105
730031331002564406
oct2657255353607411
9433085536088875
10100010120122121
1129959065606770
12b27276aa62635
1343a5bb59a0aa1
141a9a730cc32ad
15b8675cea94eb
hex5af56baf0f09

100010120122121 has 4 divisors (see below), whose sum is σ = 109101949224144. Its totient is φ = 90918291020100.

The previous prime is 100010120122103. The next prime is 100010120122123. The reversal of 100010120122121 is 121221021010001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100010120122121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100010120122096 and 100010120122105.

It is not an unprimeable number, because it can be changed into a prime (100010120122123) 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, 4545914550995 + ... + 4545914551016.

It is an arithmetic number, because the mean of its divisors is an integer number (27275487306036).

Almost surely, 2100010120122121 is an apocalyptic number.

100010120122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100010120122121 is a deficient number, since it is larger than the sum of its proper divisors (9091829102023).

100010120122121 is an equidigital number, since it uses as much as digits as its factorization.

100010120122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091829102022.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100010120122121 its reverse (121221021010001), we get a palindrome (221231141132122).

The spelling of 100010120122121 in words is "one hundred trillion, ten billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 11 9091829102011 100010120122121