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10011002221201 = 20249349438757
BaseRepresentation
bin1001000110101101111000…
…1110110011001010010001
31022110001010221211222222111
42101223132032303022101
52303010013032034301
633142554012505321
72052161652601042
oct221533616631221
938401127758874
1010011002221201
11320a707849713
12115824847b241
1357805867cb97
1426876c41a8c9
15125620cc0551
hex91ade3b3291

10011002221201 has 4 divisors (see below), whose sum is σ = 10011051862452. Its totient is φ = 10010952579952.

The previous prime is 10011002221189. The next prime is 10011002221247. The reversal of 10011002221201 is 10212220011001.

10011002221201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3024813161601 + 6986189059600 = 1739199^2 + 2643140^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011002221201 - 25 = 10011002221169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10011002221001) 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, 24516886 + ... + 24921871.

It is an arithmetic number, because the mean of its divisors is an integer number (2502762965613).

Almost surely, 210011002221201 is an apocalyptic number.

It is an amenable number.

10011002221201 is a deficient number, since it is larger than the sum of its proper divisors (49641251).

10011002221201 is an equidigital number, since it uses as much as digits as its factorization.

10011002221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49641250.

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

Adding to 10011002221201 its reverse (10212220011001), we get a palindrome (20223222232202).

The spelling of 10011002221201 in words is "ten trillion, eleven billion, two million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 202493 49438757 10011002221201