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101202001101 = 343133991717
BaseRepresentation
bin101111001000000011…
…0111111110011001101
3100200012221102022210000
41132100012333303031
53124230203013401
6114254102034513
710211610546615
oct1362006776315
9320187368700
10101202001101
1139a12989343
1217744418a39
13970a8549b6
144c80951a45
152974a1d186
hex17901bfccd

101202001101 has 20 divisors (see below), whose sum is σ = 151661333692. Its totient is φ = 67252431168.

The previous prime is 101202001097. The next prime is 101202001127. The reversal of 101202001101 is 101100202101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 348755625 + 100853245476 = 18675^2 + 317574^2 .

It is not a de Polignac number, because 101202001101 - 22 = 101202001097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202001151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1970506 + ... + 2021211.

Almost surely, 2101202001101 is an apocalyptic number.

It is an amenable number.

101202001101 is a deficient number, since it is larger than the sum of its proper divisors (50459332591).

101202001101 is an equidigital number, since it uses as much as digits as its factorization.

101202001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992042 (or 3992033 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101202001101 its reverse (101100202101), we get a palindrome (202302203202).

The spelling of 101202001101 in words is "one hundred one billion, two hundred two million, one thousand, one hundred one".

Divisors: 1 3 9 27 81 313 939 2817 8451 25353 3991717 11975151 35925453 107776359 323329077 1249407421 3748222263 11244666789 33734000367 101202001101