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210021220201201 = 1148925301722509
BaseRepresentation
bin101111110000001101100000…
…001110011011001011110001
31000112121211110221102020000121
4233300031200032123023301
5210011441424332414301
62022402225553050241
762144350423501663
oct5760154016331361
91015554427366017
10210021220201201
1160a1255461a632
121b67b629856981
139025bba83a376
1439c111d106533
151943201e293a1
hexbf036039b2f1

210021220201201 has 8 divisors (see below), whose sum is σ = 210048092749800. Its totient is φ = 209994349171200.

The previous prime is 210021220201147. The next prime is 210021220201223. The reversal of 210021220201201 is 102102022120012.

It is a happy number.

210021220201201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 88962341040225 + 121058879160976 = 9431985^2 + 11002676^2 .

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 210021220201201 - 225 = 210021186646769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210021220205201) 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, 290321935 + ... + 291044443.

It is an arithmetic number, because the mean of its divisors is an integer number (26256011593725).

Almost surely, 2210021220201201 is an apocalyptic number.

It is an amenable number.

210021220201201 is a deficient number, since it is larger than the sum of its proper divisors (26872548599).

210021220201201 is a wasteful number, since it uses less digits than its factorization.

210021220201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759299.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210021220201201 its reverse (102102022120012), we get a palindrome (312123242321213).

The spelling of 210021220201201 in words is "two hundred ten trillion, twenty-one billion, two hundred twenty million, two hundred one thousand, two hundred one".

Divisors: 1 11489 25301 722509 290683189 8300905901 18280200209 210021220201201