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201211010010001 = 8392331831028473
BaseRepresentation
bin101101110000000000010110…
…110001101100101110010001
3222101102120210020121121221001
4231300000112301230232101
5202333120122030310001
61551535021212502001
760245005254464215
oct5560002661545621
9871376706547831
10201211010010001
1159126123654962
121a69806017a901
1388371698974b4
1437989444a6945
15183de60645001
hexb70016c6cb91

201211010010001 has 8 divisors (see below), whose sum is σ = 201451892221440. Its totient is φ = 200970130323552.

The previous prime is 201211010009983. The next prime is 201211010010007. The reversal of 201211010010001 is 100010010112102.

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 201211010010001 - 215 = 201211009977233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201211010010001.

It is not an unprimeable number, because it can be changed into a prime (201211010010007) 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, 195126301 + ... + 196154773.

It is an arithmetic number, because the mean of its divisors is an integer number (25181486527680).

Almost surely, 2201211010010001 is an apocalyptic number.

It is an amenable number.

201211010010001 is a deficient number, since it is larger than the sum of its proper divisors (240882211439).

201211010010001 is a wasteful number, since it uses less digits than its factorization.

201211010010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262495.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201211010010001 its reverse (100010010112102), we get a palindrome (301221020122103).

The spelling of 201211010010001 in words is "two hundred one trillion, two hundred eleven billion, ten million, ten thousand, one".

Divisors: 1 839 233183 1028473 195640537 862888847 239822419559 201211010010001