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201011210220101 = 974355294758077
BaseRepresentation
bin101101101101000110010001…
…110001111111001001000101
3222100201111001212001200001112
4231231012101301333021011
5202321331424304020401
61551303135233534405
760224403114341141
oct5555062161771105
9870644055050045
10201011210220101
11590594148aa556
121a66539b714405
138821377ba7148
14378cdccc20221
151838b69a6c3bb
hexb6d191c7f245

201011210220101 has 8 divisors (see below), whose sum is σ = 203083999711320. Its totient is φ = 198938431116288.

The previous prime is 201011210220091. The next prime is 201011210220151. The reversal of 201011210220101 is 101022012110102.

It can be written as a sum of positive squares in 4 ways, for example, as 101370866256100 + 99640343964001 = 10068310^2 + 9982001^2 .

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 201011210220101 - 210 = 201011210219077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011210220151) 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, 39867275 + ... + 44625351.

It is an arithmetic number, because the mean of its divisors is an integer number (25385499963915).

Almost surely, 2201011210220101 is an apocalyptic number.

It is an amenable number.

201011210220101 is a deficient number, since it is larger than the sum of its proper divisors (2072789491219).

201011210220101 is an equidigital number, since it uses as much as digits as its factorization.

201011210220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193703.

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

Adding to 201011210220101 its reverse (101022012110102), we get a palindrome (302033222330203).

The spelling of 201011210220101 in words is "two hundred one trillion, eleven billion, two hundred ten million, two hundred twenty thousand, one hundred one".

Divisors: 1 97 435529 4758077 42246313 461533469 2072280517733 201011210220101