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121010202010201 = 7155311131469231
BaseRepresentation
bin11011100000111011100010…
…000110101110001001011001
3120212110110111001002021110011
4123200323202012232021121
5111330112343203311301
61105211152551521521
734326461420454160
oct3340734206561131
9525413431067404
10121010202010201
113561515833a399
12116a47079892a1
13526a2a01c1c2a
1421c4cd43c23d7
15decb4687ea51
hex6e0ee21ae259

121010202010201 has 8 divisors (see below), whose sum is σ = 138386425492224. Its totient is φ = 103656241469760.

The previous prime is 121010202010183. The next prime is 121010202010213. The reversal of 121010202010201 is 102010202010121.

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

It is not a de Polignac number, because 121010202010201 - 217 = 121010201879129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121010202010261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5565723745 + ... + 5565745486.

It is an arithmetic number, because the mean of its divisors is an integer number (17298303186528).

Almost surely, 2121010202010201 is an apocalyptic number.

It is an amenable number.

121010202010201 is a deficient number, since it is larger than the sum of its proper divisors (17376223482023).

121010202010201 is a wasteful number, since it uses less digits than its factorization.

121010202010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131470791.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121010202010201 its reverse (102010202010121), we get a palindrome (223020404020322).

The spelling of 121010202010201 in words is "one hundred twenty-one trillion, ten billion, two hundred two million, ten thousand, two hundred one".

Divisors: 1 7 1553 10871 11131469231 77920284617 17287171715743 121010202010201