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103221123221 = 6115791071659
BaseRepresentation
bin110000000100001110…
…1010101100010010101
3100212102122202100121202
41200020131111202111
53142344101420341
6115230310522245
710312626033206
oct1401035254225
9325378670552
10103221123221
113a8596a6707
1218008666385
13996cc65a08
144dd2b875ad
152a41e0b79b
hex1808755895

103221123221 has 8 divisors (see below), whose sum is σ = 104979813600. Its totient is φ = 101464579440.

The previous prime is 103221123179. The next prime is 103221123259. The reversal of 103221123221 is 122321122301.

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

It is a cyclic number.

It is not a de Polignac number, because 103221123221 - 226 = 103154014357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103221123193 and 103221123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221125221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439511 + ... + 632148.

It is an arithmetic number, because the mean of its divisors is an integer number (13122476700).

Almost surely, 2103221123221 is an apocalyptic number.

It is an amenable number.

103221123221 is a deficient number, since it is larger than the sum of its proper divisors (1758690379).

103221123221 is a wasteful number, since it uses less digits than its factorization.

103221123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073299.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 103221123221 its reverse (122321122301), we get a palindrome (225542245522).

The spelling of 103221123221 in words is "one hundred three billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 61 1579 96319 1071659 65371199 1692149561 103221123221