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10120221011 = 432231055399
BaseRepresentation
bin10010110110011011…
…00101000101010011
3222010021222111100102
421123031211011103
5131211234033021
64352115243015
7505534313345
oct113315450523
928107874312
1010120221011
11432366791a
121b652a946b
13c53890b74
146c00d9295
153e370900b
hex25b365153

10120221011 has 8 divisors (see below), whose sum is σ = 10402022400. Its totient is φ = 9840530952.

The previous prime is 10120220987. The next prime is 10120221029. The reversal of 10120221011 is 11012202101.

10120221011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10120221011 - 26 = 10120220947 is a prime.

It is a super-2 number, since 2×101202210112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120220983 and 10120221001.

It is not an unprimeable number, because it can be changed into a prime (10120221071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518111 + ... + 537288.

It is an arithmetic number, because the mean of its divisors is an integer number (1300252800).

Almost surely, 210120221011 is an apocalyptic number.

10120221011 is a deficient number, since it is larger than the sum of its proper divisors (281801389).

10120221011 is a wasteful number, since it uses less digits than its factorization.

10120221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055665.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10120221011 its reverse (11012202101), we get a palindrome (21132423112).

The spelling of 10120221011 in words is "ten billion, one hundred twenty million, two hundred twenty-one thousand, eleven".

Divisors: 1 43 223 9589 1055399 45382157 235353977 10120221011