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110021010001 = 715717287143
BaseRepresentation
bin110011001110111000…
…0110110001001010001
3101111222112221101200021
41212131300312021101
53300310334310001
6122313140023441
710643265104050
oct1463560661121
9344875841607
10110021010001
1142728aa0251
12193a5991b81
13a4b4974c66
145479cd2397
152cddd97ba1
hex199dc36251

110021010001 has 4 divisors (see below), whose sum is σ = 125738297152. Its totient is φ = 94303722852.

The previous prime is 110021009963. The next prime is 110021010017. The reversal of 110021010001 is 100010120011.

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 not a de Polignac number, because 110021010001 - 213 = 110021001809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 15717287143 = 110021010001 / (1 + 1 + 0 + 0 + 2 + 1 + 0 + 1 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021013001) 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, 7858643565 + ... + 7858643578.

It is an arithmetic number, because the mean of its divisors is an integer number (31434574288).

Almost surely, 2110021010001 is an apocalyptic number.

It is an amenable number.

110021010001 is a deficient number, since it is larger than the sum of its proper divisors (15717287151).

110021010001 is an equidigital number, since it uses as much as digits as its factorization.

110021010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15717287150.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 110021010001 its reverse (100010120011), we get a palindrome (210031130012).

The spelling of 110021010001 in words is "one hundred ten billion, twenty-one million, ten thousand, one".

Divisors: 1 7 15717287143 110021010001