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10201101121201 = 12805379663117
BaseRepresentation
bin1001010001110010000100…
…0000100011011010110001
31100010012211021110200122111
42110130201000203122301
52314113323341334301
633410153212005321
72102001536564224
oct224344100433261
940105737420574
1010201101121201
113283298705941
121189060160841
1358cc6262b7b3
14273a435615bb
1512a549dc0551
hex947210236b1

10201101121201 has 4 divisors (see below), whose sum is σ = 10201180912372. Its totient is φ = 10201021330032.

The previous prime is 10201101121199. The next prime is 10201101121207. The reversal of 10201101121201 is 10212110110201.

It is a happy number.

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 4089600220176 + 6111500901025 = 2022276^2 + 2472145^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201101121201 - 21 = 10201101121199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201101121207) 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 3 ways as a sum of consecutive naturals, for example, 39703506 + ... + 39959611.

It is an arithmetic number, because the mean of its divisors is an integer number (2550295228093).

Almost surely, 210201101121201 is an apocalyptic number.

It is an amenable number.

10201101121201 is a deficient number, since it is larger than the sum of its proper divisors (79791171).

10201101121201 is an equidigital number, since it uses as much as digits as its factorization.

10201101121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79791170.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10201101121201 its reverse (10212110110201), we get a palindrome (20413211231402).

The spelling of 10201101121201 in words is "ten trillion, two hundred one billion, one hundred one million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 128053 79663117 10201101121201