Search a number
-
+
120102021101201 = 929129280969969
BaseRepresentation
bin11011010011101101101110…
…010011011111011010010001
3120202020122022100110221211012
4123103231232103133122101
5111220222414400214301
61103234035023100305
734204041021221036
oct3323555623373221
9522218270427735
10120102021101201
11352a4a87949587
12115786aba41695
135202758891189
142192d7c6bd38d
15dd41e101eebb
hex6d3b6e4df691

120102021101201 has 4 divisors (see below), whose sum is σ = 120231302072100. Its totient is φ = 119972740130304.

The previous prime is 120102021101159. The next prime is 120102021101207. The reversal of 120102021101201 is 102101120201021.

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 7790267121025 + 112311753980176 = 2791105^2 + 10597724^2 .

It is a cyclic number.

It is not a de Polignac number, because 120102021101201 - 218 = 120102020839057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120102021101207) 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, 64640484056 + ... + 64640485913.

It is an arithmetic number, because the mean of its divisors is an integer number (30057825518025).

Almost surely, 2120102021101201 is an apocalyptic number.

It is an amenable number.

120102021101201 is a deficient number, since it is larger than the sum of its proper divisors (129280970899).

120102021101201 is an equidigital number, since it uses as much as digits as its factorization.

120102021101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129280970898.

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

Adding to 120102021101201 its reverse (102101120201021), we get a palindrome (222203141302222).

The spelling of 120102021101201 in words is "one hundred twenty trillion, one hundred two billion, twenty-one million, one hundred one thousand, two hundred one".

Divisors: 1 929 129280969969 120102021101201