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10011112021 = 101443223747
BaseRepresentation
bin10010101001011010…
…10111001001010101
3221211200200011221201
421110231113021111
5131000321041041
64333220512501
7503041022341
oct112455271125
927750604851
1010011112021
1142780146a9
121b3484b731
13c370ab231
146ad816621
153d8d55631
hex254b57255

10011112021 has 8 divisors (see below), whose sum is σ = 10133099424. Its totient is φ = 9889573200.

The previous prime is 10011112003. The next prime is 10011112039. The reversal of 10011112021 is 12021111001.

10011112021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10011112003) and next prime (10011112039).

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 10011112021 - 27 = 10011111893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011111989 and 10011112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011112091) 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, 67131 + ... + 156616.

It is an arithmetic number, because the mean of its divisors is an integer number (1266637428).

Almost surely, 210011112021 is an apocalyptic number.

It is an amenable number.

10011112021 is a deficient number, since it is larger than the sum of its proper divisors (121987403).

10011112021 is a wasteful number, since it uses less digits than its factorization.

10011112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224291.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10011112021 its reverse (12021111001), we get a palindrome (22032223022).

The spelling of 10011112021 in words is "ten billion, eleven million, one hundred twelve thousand, twenty-one".

Divisors: 1 101 443 44743 223747 22598447 99119921 10011112021