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120102010201 = 15125267401
BaseRepresentation
bin110111111011010100…
…0110011110101011001
3102111000010010021012001
41233312220303311121
53431432103311301
6131101334521001
711451145146145
oct1576650636531
9374003107161
10120102010201
1146a314a9978
121b339b06161
13b430382b34
145b54adc225
1531cde05c01
hex1bf6a33d59

120102010201 has 6 divisors (see below), whose sum is σ = 120902678106. Its totient is φ = 119306610000.

The previous prime is 120102010199. The next prime is 120102010207. The reversal of 120102010201 is 102010201021.

It can be written as a sum of positive squares in only one way, i.e., 67768584976 + 52333425225 = 260324^2 + 228765^2 .

It is not a de Polignac number, because 120102010201 - 21 = 120102010199 is a prime.

It is a super-2 number, since 2×1201020102012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102010207) 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 5 ways as a sum of consecutive naturals, for example, 2610900 + ... + 2656501.

It is an arithmetic number, because the mean of its divisors is an integer number (20150446351).

Almost surely, 2120102010201 is an apocalyptic number.

It is an amenable number.

120102010201 is a deficient number, since it is larger than the sum of its proper divisors (800667905).

120102010201 is an frugal number, since it uses more digits than its factorization.

120102010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267703 (or 5267552 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120102010201 its reverse (102010201021), we get a palindrome (222112211222).

It can be divided in two parts, 12010201020 and 1, that added together give a palindrome (12010201021).

The spelling of 120102010201 in words is "one hundred twenty billion, one hundred two million, ten thousand, two hundred one".

Divisors: 1 151 22801 5267401 795377551 120102010201