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2201012101 = 2975896969
BaseRepresentation
bin1000001100110000…
…1100011110000101
312200101120222222201
42003030030132011
514001424341401
61002223154501
7105354202621
oct20314143605
95611528881
102201012101
11a2a460a72
12515145a31
13290cc7232
1416c462181
15cd36bb01
hex8330c785

2201012101 has 4 divisors (see below), whose sum is σ = 2276909100. Its totient is φ = 2125115104.

The previous prime is 2201012087. The next prime is 2201012111. The reversal of 2201012101 is 1012101022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 669463876 + 1531548225 = 25874^2 + 39135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201012101 - 229 = 1664141189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201012111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37948456 + ... + 37948513.

It is an arithmetic number, because the mean of its divisors is an integer number (569227275).

Almost surely, 22201012101 is an apocalyptic number.

It is an amenable number.

2201012101 is a deficient number, since it is larger than the sum of its proper divisors (75896999).

2201012101 is an equidigital number, since it uses as much as digits as its factorization.

2201012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75896998.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2201012101 is about 46914.9453905682. The cubic root of 2201012101 is about 1300.7908601996.

Adding to 2201012101 its reverse (1012101022), we get a palindrome (3213113123).

The spelling of 2201012101 in words is "two billion, two hundred one million, twelve thousand, one hundred one".

Divisors: 1 29 75896969 2201012101