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122003222101 = 173705220937
BaseRepresentation
bin111000110011111110…
…1010110111001010101
3102122220121120211121121
41301213331112321111
53444330311101401
6132014132243541
711546232164035
oct1614775267125
9378817524547
10122003222101
1147817702582
121b78a7705b1
13b67421c1a7
145c953dd8c5
153290ca2ca1
hex1c67f56e55

122003222101 has 4 divisors (see below), whose sum is σ = 122708443212. Its totient is φ = 121298000992.

The previous prime is 122003222027. The next prime is 122003222113. The reversal of 122003222101 is 101222300221.

It is a happy number.

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 116437912900 + 5565309201 = 341230^2 + 74601^2 .

It is a cyclic number.

It is not a de Polignac number, because 122003222101 - 27 = 122003221973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003222501) 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 3 ways as a sum of consecutive naturals, for example, 352610296 + ... + 352610641.

It is an arithmetic number, because the mean of its divisors is an integer number (30677110803).

Almost surely, 2122003222101 is an apocalyptic number.

It is an amenable number.

122003222101 is a deficient number, since it is larger than the sum of its proper divisors (705221111).

122003222101 is an equidigital number, since it uses as much as digits as its factorization.

122003222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705221110.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122003222101 its reverse (101222300221), we get a palindrome (223225522322).

The spelling of 122003222101 in words is "one hundred twenty-two billion, three million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 173 705220937 122003222101