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10112122021 = 145126172663
BaseRepresentation
bin10010110101011101…
…01011110010100101
3222002201202000121211
421122232223302211
5131202200401041
64351225511421
7505405422211
oct113256536245
928081660554
1010112122021
11431a035a41
121b62642571
13c51cb6671
146bcdcb941
153e2b59481
hex25ababca5

10112122021 has 8 divisors (see below), whose sum is σ = 10126759104. Its totient is φ = 10097498400.

The previous prime is 10112121997. The next prime is 10112122049. The reversal of 10112122021 is 12022121101.

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 10112122021 - 25 = 10112121989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112121992 and 10112122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112122081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3795936 + ... + 3798598.

It is an arithmetic number, because the mean of its divisors is an integer number (1265844888).

Almost surely, 210112122021 is an apocalyptic number.

It is an amenable number.

10112122021 is a deficient number, since it is larger than the sum of its proper divisors (14637083).

10112122021 is a wasteful number, since it uses less digits than its factorization.

10112122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10112122021 its reverse (12022121101), we get a palindrome (22134243122).

The spelling of 10112122021 in words is "ten billion, one hundred twelve million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 1451 2617 2663 3797267 3864013 6969071 10112122021