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10212020110001 = 53197978069161
BaseRepresentation
bin1001010010011010101111…
…0101001100001010110001
31100011021000020110210102002
42110212223311030022301
52314303204122010001
633415200503503345
72102536243502633
oct224465365141261
940137006423362
1010212020110001
113287991141826
12118b1a8a57b55
13590cb2830708
1427439b784a53
1512a9887ab46b
hex949abd4c2b1

10212020110001 has 8 divisors (see below), whose sum is σ = 10457515480104. Its totient is φ = 9968480878720.

The previous prime is 10212020109997. The next prime is 10212020110069. The reversal of 10212020110001 is 10001102021201.

It can be written as a sum of positive squares in 4 ways, for example, as 8398085223025 + 1813934886976 = 2897945^2 + 1346824^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10212020110001 - 22 = 10212020109997 is a prime.

It is a super-2 number, since 2×102120201100012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212020119001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489024140 + ... + 489045021.

It is an arithmetic number, because the mean of its divisors is an integer number (1307189435013).

Almost surely, 210212020110001 is an apocalyptic number.

It is an amenable number.

10212020110001 is a deficient number, since it is larger than the sum of its proper divisors (245495370103).

10212020110001 is an equidigital number, since it uses as much as digits as its factorization.

10212020110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978069411.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10212020110001 its reverse (10001102021201), we get a palindrome (20213122131202).

The spelling of 10212020110001 in words is "ten trillion, two hundred twelve billion, twenty million, one hundred ten thousand, one".

Divisors: 1 53 197 10441 978069161 51837665533 192679624717 10212020110001