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110101220221001 = 274299140139111
BaseRepresentation
bin11001000010001011110000…
…000111101110000001001001
3112102211120111100020202220012
4121002023300013232001021
5103412344244334033001
61030055445144241305
732122356606302642
oct3102136007560111
9472746440222805
10110101220221001
11320997355333a9
121042242ba70235
134958667835259
141d28cdb0766c9
15cadebab2e2bb
hex6422f01ee049

110101220221001 has 4 divisors (see below), whose sum is σ = 110101263103104. Its totient is φ = 110101177338900.

The previous prime is 110101220220941. The next prime is 110101220221037. The reversal of 110101220221001 is 100122022101011.

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-110101220221001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110101220221501) 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 3 ways as a sum of consecutive naturals, for example, 17326565 + ... + 22812546.

It is an arithmetic number, because the mean of its divisors is an integer number (27525315775776).

Almost surely, 2110101220221001 is an apocalyptic number.

It is an amenable number.

110101220221001 is a deficient number, since it is larger than the sum of its proper divisors (42882103).

110101220221001 is an equidigital number, since it uses as much as digits as its factorization.

110101220221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42882102.

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

Adding to 110101220221001 its reverse (100122022101011), we get a palindrome (210223242322012).

The spelling of 110101220221001 in words is "one hundred ten trillion, one hundred one billion, two hundred twenty million, two hundred twenty-one thousand, one".

Divisors: 1 2742991 40139111 110101220221001