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201010222102001 = 1315462324777077
BaseRepresentation
bin101101101101000101010110…
…111000100111010111110001
3222100201101111222202001211212
4231231011112320213113301
5202321322413324231001
61551302453215045505
760224336455435304
oct5555052670472761
9870641458661755
10201010222102001
1159058a58061824
121a665164810895
13882124b26a290
14378cd378c6b3b
151838b0ce367bb
hexb6d156e275f1

201010222102001 has 4 divisors (see below), whose sum is σ = 216472546879092. Its totient is φ = 185547897324912.

The previous prime is 201010222101971. The next prime is 201010222102007. The reversal of 201010222102001 is 100201222010102.

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 137577041496976 + 63433180605025 = 11729324^2 + 7964495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201010222102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201010222102007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7731162388526 + ... + 7731162388551.

It is an arithmetic number, because the mean of its divisors is an integer number (54118136719773).

Almost surely, 2201010222102001 is an apocalyptic number.

It is an amenable number.

201010222102001 is a deficient number, since it is larger than the sum of its proper divisors (15462324777091).

201010222102001 is a wasteful number, since it uses less digits than its factorization.

201010222102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15462324777090.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201010222102001 its reverse (100201222010102), we get a palindrome (301211444112103).

The spelling of 201010222102001 in words is "two hundred one trillion, ten billion, two hundred twenty-two million, one hundred two thousand, one".

Divisors: 1 13 15462324777077 201010222102001